Iron Man, the armored adventurer, is one of Marvel's most iconic superheroes. From his days as a second-string hero behind ...

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 ...

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.