Supporting Cast:
Aunt May, J. Jonah Jameson

Guests:
Watcher, Fantastic Four (Human Torch, Thing, Mister Fantastic, Invisible Girl), Sub-Mariner

Villains:
Chameleon, Vulture, Red Ghost & his Super Apes, Puppet Master

"What If Spider-Man Had Joined The Fantastic Four?" - 33 Pages

Writer - Roy Thomas
Artist - Jim Craig
Inker - Pablo Marcos
Cover - John Buscema
Lettering - John Costanza
Colorist - Janice Cohen
Editor - Roy Thomas