What If?#21
Cover: Gene Colan & Al Milgrom
What If? #21
“What If... Sub-Mariner Had Married the Invisible Girl? Chapter 1 Decline and Fall!”
writer Bill Mantlo · artist Gene Colan · inker Bob Wiacek · colorist Gaff · letterer Tom Orzechowski · cover Gene Colan, Al Milgrom
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Full credits
writer Bill Mantlo
artist Gene Colan
inker Bob Wiacek
colorist Gaff
letterer Tom Orzechowski
cover pencils Gene Colan
cover inks Al Milgrom