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.

The climax of the Battle for New York in The Avengers is another stretch of screentime that is both important and ...

Credit: Mashable Original image has been replaced. Credit: Mashable The specific suit design is the Iron Man Mark 46, which makes an appearance in Captain America: Civil War. Mashable Top Stories ...

Tony Stark and his amazing Iron Man flight suit, an impressive piece of wearable tech designed and built by Stark alone, is a near-perfect Marvel comic-book confection -- just the kind of thing ...