Tony Stark unleashed his "most powerful creation" this year, upgrading the Iron Man suit in a way that's never been possible ...

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, who was introduced in the year 2008, is so well-known that people often recognize him just by looking at him in his spectacular suit. The portrayal of Iron Man by Robert Downey Jr has ...