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.

Since his comic book debut in 1962, Tony has worn a great many armored suits to combat a wide selection of opponents and deal ...

The Jet Suit is a device from Gravity Industries that allows you to fly at 32 mph for up to nine minutes. It gives the wearer full control through five mini jet engines. There are two mini engines ...

What Happened To Robert Downey Jr. When He Wore His First Iron Man Suit? (Photo Credit ... burdens of metal and poor visibility. His suits, Mark L and Mark LXXXV used nanotechnology and ...