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 iconic 'Iron Man' suit worn by Robert Downey, Jr. in the Marvel flick has gone missing, according to reports by the LAPD. Here's what you need to know about the investigation. Someone messed ...