Comic Title: What If...? #27
Publisher: Marvel
Cover Date: July 1991
On Sale Date: May 21, 1991 Shipping Date May 21, 1991
Source: Previews, #27

Shipping Date May 21, 1991
Source: Amazing Heroes, #190

Direct Market Date May 23, 1991
Source: Comic Shop News, #195

Copyright Date May 28, 1991
Source: Library of Congress, Copyright Office 1991

Cover Price: $1.25
Page Count: 32
Editor: Craig Anderson

Title: "What If the Sub-Mariner Had Joined the Fantastic Four"
Pages: 28

Feature(s):
Fantastic Four

Writer: Ron Marz
Penciller: Gavin Curtis
Inker: Sam DeLaRosa
Letterer: Janice Chiang
Colorist: Tom Vincent