Contents
| Seq | Story | Type | Pages | Credits | Characters |
|---|
| 0 | What If Invisible Girl of the Fantastic Four Married the Sub-Mariner | cover | 1 | pencils: Gene Colan; inks: Al Milgrom; letters: Irv Watanabe | the Fantastic Four [the Human Torch [Johnny Storm]; Mr. Fantastic]; the Invisible Girl; Namor, the Sub-Mariner |
| 1 | What If... Sub-Mariner Had Married the Invisible Girl? Chapter 1 Decline and Fall! | comic story | 16 | script: Bill Mantlo; pencils: Gene Colan; inks: Bob Wiacek; colors: Gaff; letters: Tom Orzechowski | Atlanteans; the Awesome Android (flashback); Lady Dorma; Dr. Doom (flashback); the Fantastic Four [the Human Torch [Johnny Storm]; Mr. Fantastic; Spider-Man [Peter Parker]; the Thing] (also in flashback); the Invisible Girl (also in flashback); Warlord Krang; the Mad Thinker (flashback); the Red Gho |
| 3 | What's Wrong With This Picture? | promo (ad from the publisher) | 0.5 | pencils: Ron Zalme; inks: Ron Zalme | |
| 4 | What If... Sub-Mariner Had Married the Invisible Girl? Chapter 2 Two Against Atlantis! | comic story | 6 | script: Bill Mantlo; pencils: Gene Colan; inks: Bob Wiacek; colors: Gaff; letters: Tom Orzechowski | Atlanteans; Lady Dorma; the Fantastic Four [the Human Torch [Johnny Storm]; Mr. Fantastic]; Warlord Krang; the Sub-Mariner; Susan Storm McKenzie |
| 5 | What If... Sub-Mariner Had Married the Invisible Girl? Chapter 3 Harvest of Shame! | comic story | 12 | script: Bill Mantlo; pencils: Gene Colan; inks: Bob Wiacek, Josef Rubinstein; colors: Gaff; letters: Tom Orzechowski | Atlanteans; Lady Dorma; the Fantastic Four [the Human Torch [Johnny Storm]; Mr. Fantastic]; Warlord Krang (death); the Sub-Mariner; Susan Storm McKenzie; Susan Storm McKenzie and the Sub-Mariner's newborn son; the Watcher |
| 6 | - | letters page | 2 | script: Mark Gruenwald; pencils: Gene Colan; inks: Syd Shores | |
Plus 2 pages of advertisements and other matter across 2 sequences, as published.