Marvel 99

Marvel 99 is an American comic imprint reimagining the marvel universe in various new ways.

Characters
Note: I'm not doing main, supporting or antagonists, just listing people in random order.
 * Peter Parker/Spider-Man - an intelligent student who after being bitten by a spider who was experimented on by Advanced Idea Mechanics, becomes a superhero combating villainous threats.
 * The Avengers, consisting of:
 * Steve Rogers/Captain America - a superhero who fought in WWII, participating in an experiment where he is injected with a mixture of Kree and Skrull blood, making him extremely hard to kill or age, being over 80 but looks like he's 30.
 * Tony Stark/Iron Man - TBD
 * Bruce Banner/Hulk - TBD

Comics

 * Spider-Man 99

Trivia

 * In this universe, humanity learned about aliens during the First World War.