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 Ghost (flashback); the Sub-Mariner (also in flashback); the Super-Skrull; the Watcher
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
Letters on What If? #18 from Mark Zutkoff, Leighton Ku, and Roy Veldboomand and suggestions for future story titles . Includes "The Watcher Knows..," a column answering Marvel Universe continuity questions.