Fantastic Four [Mr. Fantastic; Invisible Girl; Human Torch [Johnny Storm]; The Thing [Ben Grimm]]; The Brute [Reed Richards]; Annihilus; the Mad Thinker; Tigra; Thundra
Iron Man [Tony Stark]; The Guardsman [Kevin O'Brien [as Kevin O'Brian] (introduction as Guardsman)] (first appearance; origin); Mikas (villain; death); Mr. Kline (villain)