Marvel
What If? #1
published February 1977
was What if Spider-Man Joined the Fantastic Four? [Story on Interior Page(s)]
What If? #2
published April 1977
was What If the Hulk Had Always Had Bruce Banner's Brain? [Story on Interior Page(s)]
What If? #3
published June 1977
was What If...the Avengers Had Never Been? [Story on Interior Page(s)]
What If? #4
published August 1977
was What If the Invaders Had Stayed Together After World War Two? [Illustration on Cover, Front]
What If? #4
published August 1977
was What If the Invaders Had Stayed Together After World War Two? [Story on Interior Page(s)]
What If? #5
published October 1977
was What If...Captain America and Bucky Had Both Survived World War II? [Story on Interior Page(s)]
What If? #6
published December 1977
was What If the Fantastic Four Had Different Super Powers? [Story on Interior Page(s)]