STRANGE TALES #113 (1963)
Plantman is introduced in issue #113, and he’s a strange choice of villain for Human Torch. Wood is flammable. And when you burn weed the smoke…
Anyway, he’s a gardener who gets fired by Human Torch and swears revenge.
THE AVENGERS #8 (1964): 1st Kang!
This introduces Kang the time traveler, but he seems to be an alien. And although he comes from the future, he has no idea who The Avengers are. That’s a…
X-MEN #10 (1965): 1st Ka-Zar!
Right in the splash page, Stan tells you how to pronounce the name of his newest creation, a Tarzan-with-dinosaurs gentleman named Ka-Zar. It starts with Angel watching the news on…
FANTASTIC FOUR #19 (1963): 1st Rama Tut
The first appearance of Rama Tut, who would become Kang the Conqueror in Avengers #8, and then, much much later, became Nathaniel Richards, and then Iron Lad of the Young…
JOURNEY INTO MYSTERY #93 (1963): 1st Radioactive Man
In #93, it’s the first appearance of Radioactive Man. His origin is, obviously, radioactive experiments–he’s a scientist who experimented on himself. And, like more than half the villains in these…