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's armors have always been flashy and awesome, but sometimes, Tony Stark builds a truly devious suit of armor in order to combat evil.

Several of Iron Man’s most iconic moments in the MCU were foreshadowed decades earlier in the iconic 1990s Iron Man: The Animated Series.