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 ...

Even in Avengers: Endgame ... into the Iron Man suit as a backup. Bruce Banner Uses a Suit During Hulk's Inactivity He doesn’t need it until the Battle of Wakanda in Avengers: Infinity War ...

But also for the Endgame ... saw in Ant-Man and the Wasp: Quantumania. Doctor Strange (Benedict Cumberbatch) and Iron Man (Robert Downey Jr.) in a scene from Avengers: Infinity War.