Tony Stark's Iron ... Iron Man tech and develop what he considered a far superior suit, able to lift over 50 tons in its Mark I debut (in contrast, the Mark I Crimson Dynamo could lift 1 ton ...

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.