Following is a transcript of the video. 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.

Iron Man, the armored adventurer, is one of Marvel's most iconic superheroes. From his days as a second-string hero behind Spider-Man and the Hulk to headlining multiple animated series and, ...

After the destruction of all his existing suits, Iron Man has been forced create new armor from scratch, which runs off a power source that Iron Man has never tested before. While Tony has always ...