<PAGE>   1


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM S-8


                             REGISTRATION STATEMENT
                                   UNDER THE
                             SECURITIES ACT OF 1933


                                MCN CORPORATION
             (Exact Name of Registrant as Specified in its Charter)


          Michigan                                       38-2820658
(State or Other Jurisdiction of                       (I.R.S. Employer
 Incorporation or Organization)                    Identification Number)


     500 Griswold Street, Detroit, Michigan                     48226
   (Address of Principal Executive Offices)                  (Zip Code)


                  MICHCON INVESTMENT AND STOCK OWNERSHIP PLAN
                            (Full Title of the Plan)

                               Daniel L. Schiffer
                        Vice President, General Counsel
                                 and Secretary
                                MCN Corporation
                              500 Griswold Street
                            Detroit, Michigan 48226
                    (Name and Address of Agent for Service)


                                 (313) 256-5500
         (Telephone Number, Including Area Code, of Agent For Service)

<TABLE>
<CAPTION>
                         CALCULATION OF REGISTRATION FEE                
       -----------------------------------------------------------------
       Title of        Amount of    Proposed    Proposed
       Additional      Additional   Maximum     Maximum
       Securities      Securities   Offering    Aggregate     Amount of
       to be           to be        Price Per   Offering     Registration
       Registered      Registered   Share (1)   Price           Fee      
       -----------------------------------------------------------------
       <S>              <C>          <C>         <C>            <C>
       MCN Corporation
       Common Stock,     
       $.01 par value   250,000     $39.063      $9,765,750     $3,368
                        Shares                                           

</TABLE>

(1)  Based on the average of the high and low prices in the daily composite
     list for transactions on the New York Stock Exchange on March 22, 1994.

  In addition, pursuant to Rule 416(c) under the Securities Act of 1933, this
registration statement also covers an indeterminate amount of interests to be
offered or sold pursuant to the employee benefit plan described herein.
<PAGE>   2

                     REGISTRATION OF ADDITIONAL SECURITIES


  MCN Corporation (the "Registrant") hereby incorporates by reference in this
Registration Statement all contents, including those incorporated by reference,
of the Registrant's Registration Statements on Form S-8 dated January 27, 1989
(Registration No. 33-26719) and Form S-8 dated January 9, 1992
(Registration No. 33-44976).

  All documents subsequently filed with the Commission by the Registrant
pursuant to Sections 13(a), 13(c), 14 and 15(d) of the 1934 Act prior to the
filing of a post-effective amendment which indicates that all securities
offered hereby have been sold or which deregisters all securities then
remaining unsold shall be deemed to be incorporated herein by reference and to
be a part hereof from the dates of filing of such documents.
<PAGE>   3

Item 8. Exhibits

<TABLE>
<CAPTION>
      Exhibit
      Number                             Exhibit
      -------                            -------
   <S>    <C>
     5-1  Opinion of Daniel L. Schiffer, General Counsel for the Registrant*

          The Registrant undertakes to submit or has submitted the Plan and 
          any amendment thereto to the Internal Revenue Service ("IRS") in a 
          timely manner and has made or will make all changes required by the 
          IRS in order to qualify the Plan under Section 401 of the Internal 
          Revenue Code.

    23-1  Consent of Deloitte & Touche, Detroit, Michigan*

    23-2  Consent of Daniel L. Schiffer, Vice President, General Counsel and 
          Secretary of the Registrant (included in Exhibit 5-1)

    24-1  Powers of Attorney*

    24-2  Board Resolution authorizing issuance of common equity*
</TABLE>

- ------------------
 * Indicates documents filed herewith.
<PAGE>   4

                                   SIGNATURES

  Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-8 and has duly caused this registration
statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Detroit, State of Michigan, on the 25th day of
March, 1994.

                                     MCN CORPORATION

                                     By:
                                             /s/ Patrick Zurlinden        
                                        ------------------------------
                                                Patrick Zurlinden
                                                 Controller and
                                            Chief Accounting Officer


  Pursuant to the requirements of the Securities Act of 1933, this registration
statement has been signed by the following persons in the capacities and on the
dates indicated.

<TABLE>
<CAPTION>
                                        Title                              Date
                                        -----                              ----
<S>                                     <C>                                <C>
             *              
- ----------------------------
Alfred R. Glancy III                    Director, Chairman,
                                        President and Chief
                                        Executive Officer                  March 25, 1994
             *              
- ----------------------------
William K. McCrackin                    Director, Vice
                                        Chairman and Chief
                                        Financial Officer                  March 25, 1994
By: /s/ Patrick Zurlinden
  --------------------------            Controller and Chief
  Patrick Zurlinden                     Accounting Officer                 March 25, 1994

             *                                                                          
- ----------------------------            Director                           March 25, 1994
Stephen E. Ewing


             *              
- ----------------------------
Roger Fridholm                          Director                           March 25, 1994

             *              
- ----------------------------
Frank M. Hennessey                      Director                           March 25, 1994

             *              
- ----------------------------
Thomas H. Jeffs II                      Director                           March 25, 1994

             *              
- ----------------------------
Arthur L. Johnson                       Director                           March 25, 1994

             *              
- ----------------------------
Dale A. Johnson                         Director                           March 25, 1994

                            
- ----------------------------
Helen O. Petrauskas                     Director                           

             *              
- ----------------------------
Howard F. Sims                          Director                           March 25, 1994
</TABLE>



*By:
    /s/ Patrick Zurlinden   
    --------------------------
    Patrick Zurlinden
    Attorney-in-Fact
<PAGE>   5


<TABLE>
<CAPTION>
      Exhibit
      Number                             Exhibit
      -------                            -------
    <S>   <C>
     5-1  Opinion of Daniel L. Schiffer, General Counsel for the Registrant*

    23-1  Consent of Deloitte & Touche, Detroit, Michigan*

    23-2  Consent of Daniel L. Schiffer, Vice President, General Counsel and 
          Secretary of the Registrant (included in Exhibit 5-1)

    24-1  Powers of Attorney*

    24-2  Board Resolution authorizing issuance of common equity*
</TABLE>

- ------------------
 * Indicates documents filed herewith.
[{"type": "S-8", "sequence": "1", "description": "FORM S-8", "secsgml_size_bytes": 8424}]
{"company-data": {"conformed-name": "MCN CORP", "cik": "0000837579", "assigned-sic": "4924", "irs-number": "382820658", "state-of-incorporation": "MI", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "033-52825", "film-number": "94518038"}, "business-address": {"street1": "500 GRISWOLD ST", "city": "DETROIT", "state": "MI", "zip": "48226", "phone": "3132565500"}}
1

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM S-8

                             REGISTRATION STATEMENT
                                   UNDER THE
                             SECURITIES ACT OF 1933

                                MCN CORPORATION
             (Exact Name of Registrant as Specified in its Charter)

          Michigan                                       38-2820658
(State or Other Jurisdiction of                       (I.R.S. Employer
 Incorporation or Organization)                    Identification Number)

     500 Griswold Street, Detroit, Michigan                     48226
   (Address of Principal Executive Offices)                  (Zip Code)

                  MICHCON INVESTMENT AND STOCK OWNERSHIP PLAN
                            (Full Title of the Plan)

                               Daniel L. Schiffer
                        Vice President, General Counsel
                                 and Secretary
                                MCN Corporation
                              500 Griswold Street
                            Detroit, Michigan 48226
                    (Name and Address of Agent for Service)

                                 (313) 256-5500
         (Telephone Number, Including Area Code, of Agent For Service)
CALCULATION OF REGISTRATION FEE                
       -----------------------------------------------------------------
       Title of        Amount of    Proposed    Proposed
       Additional      Additional   Maximum     Maximum
       Securities      Securities   Offering    Aggregate     Amount of
       to be           to be        Price Per   Offering     Registration
       Registered      Registered   Share (1)   Price           Fee      
       -----------------------------------------------------------------
MCN Corporation
       Common Stock,     
       $.01 par value   250,000     $39.063      $9,765,750     $3,368
                        Shares
(1)  Based on the average of the high and low prices in the daily composite
     list for transactions on the New York Stock Exchange on March 22, 1994.

  In addition, pursuant to Rule 416(c) under the Securities Act of 1933, this
registration statement also covers an indeterminate amount of interests to be
offered or sold pursuant to the employee benefit plan described herein.
2

                     REGISTRATION OF ADDITIONAL SECURITIES

  MCN Corporation (the "Registrant") hereby incorporates by reference in this
Registration Statement all contents, including those incorporated by reference,
of the Registrant's Registration Statements on Form S-8 dated January 27, 1989
(Registration No. 33-26719) and Form S-8 dated January 9, 1992
(Registration No. 33-44976).

  All documents subsequently filed with the Commission by the Registrant
pursuant to Sections 13(a), 13(c), 14 and 15(d) of the 1934 Act prior to the
filing of a post-effective amendment which indicates that all securities
offered hereby have been sold or which deregisters all securities then
remaining unsold shall be deemed to be incorporated herein by reference and to
be a part hereof from the dates of filing of such documents.
3

Item 8. Exhibits
Exhibit
      Number                             Exhibit
      -------                            -------
5-1  Opinion of Daniel L. Schiffer, General Counsel for the Registrant*

          The Registrant undertakes to submit or has submitted the Plan and 
          any amendment thereto to the Internal Revenue Service ("IRS") in a 
          timely manner and has made or will make all changes required by the 
          IRS in order to qualify the Plan under Section 401 of the Internal 
          Revenue Code.

    23-1  Consent of Deloitte & Touche, Detroit, Michigan*

    23-2  Consent of Daniel L. Schiffer, Vice President, General Counsel and 
          Secretary of the Registrant (included in Exhibit 5-1)

    24-1  Powers of Attorney*

    24-2  Board Resolution authorizing issuance of common equity*
- ------------------
 * Indicates documents filed herewith.
4

                                   SIGNATURES

  Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-8 and has duly caused this registration
statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Detroit, State of Michigan, on the 25th day of
March, 1994.

                                     MCN CORPORATION

                                     By:
                                             /s/ Patrick Zurlinden        
                                        ------------------------------
                                                Patrick Zurlinden
                                                 Controller and
                                            Chief Accounting Officer

  Pursuant to the requirements of the Securities Act of 1933, this registration
statement has been signed by the following persons in the capacities and on the
dates indicated.
Title                              Date
                                        -----                              ----
*              
- ----------------------------
Alfred R. Glancy III                    Director, Chairman,
                                        President and Chief
                                        Executive Officer                  March 25, 1994
             *              
- ----------------------------
William K. McCrackin                    Director, Vice
                                        Chairman and Chief
                                        Financial Officer                  March 25, 1994
By: /s/ Patrick Zurlinden
  --------------------------            Controller and Chief
  Patrick Zurlinden                     Accounting Officer                 March 25, 1994

             *                                                                          
- ----------------------------            Director                           March 25, 1994
Stephen E. Ewing

             *              
- ----------------------------
Roger Fridholm                          Director                           March 25, 1994

             *              
- ----------------------------
Frank M. Hennessey                      Director                           March 25, 1994

             *              
- ----------------------------
Thomas H. Jeffs II                      Director                           March 25, 1994

             *              
- ----------------------------
Arthur L. Johnson                       Director                           March 25, 1994

             *              
- ----------------------------
Dale A. Johnson                         Director                           March 25, 1994

                            
- ----------------------------
Helen O. Petrauskas                     Director                           

             *              
- ----------------------------
Howard F. Sims                          Director                           March 25, 1994
*By:
    /s/ Patrick Zurlinden   
    --------------------------
    Patrick Zurlinden
    Attorney-in-Fact
5
Exhibit
      Number                             Exhibit
      -------                            -------
5-1  Opinion of Daniel L. Schiffer, General Counsel for the Registrant*

    23-1  Consent of Deloitte & Touche, Detroit, Michigan*

    23-2  Consent of Daniel L. Schiffer, Vice President, General Counsel and 
          Secretary of the Registrant (included in Exhibit 5-1)

    24-1  Powers of Attorney*

    24-2  Board Resolution authorizing issuance of common equity*
- ------------------
 * Indicates documents filed herewith.