resulting in all of the suits spectacularly exploding in the sky like fireworks as Tony himself announced that he would be scaling back on his duties as Iron Man; explaining why this was the end ...

Iron Man is one of the most pivotal superheroes in the Marvel Cinematic Universe. Heck, there would be no MCU without Iron Man, as it was his first movie that launched the franchise back in 2008.

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.

It began with 2008’s “Iron Man,” a film that introduced the world to Robert Downey Jr.’s Tony Stark with the hint that he could be part of something greater. Over 30 films later ...