Warning: Spoilers for The Avengers #23!Iron Man and Captain America have one of ... Tony creates a specialized armored suit powered by an arc reactor, which keeps him alive. Egotistical but ...

Narrator: If you look at Iron Man's first suit, the Mark 1, and compare it to the hero's nanotech suit from "Avengers: Endgame," a lot has changed. But it's not just the technology in the world of ...

s career-reviving turn as Tony Stark/Iron Man. In the new decade, though, the series has floundered a bit after "Avengers ...