
Marvel realizes it has a franchise.

Marvel introduces a hero whose powers come in a bottle.

The Hulk turns green, grabs a gun, and fights every sci-fi trope you can think of.

Marvel discovers that having power can be fun.

Spider-Man debuts and Marvel decrees that great power comes with responsibility.

The moment Marvel realizes that the bad guys matter too.

A monster born of the atomic age — and Marvel’s first real collision with the Cold War.

The Fantastic Four stops feeling like an anthology and starts to act like an ongoing series.

The monsters are becoming superheroes.

Hank Pym debuts in a sci-fi horror story before anyone knew he was going to be a superhero.