(WARNING: This post holds spoilers for Avengers: Endgame.)
Avengers: Endgame is a bittersweet experience all around, but especially for Robert Downey Jr. Eleven years ago he helped kickstart this whole MCU shebang with the original Iron Man, the movie that took him from brilliant but troubled actor vying for a comeback to one of the biggest stars in the world. The latest money-gobbler will likely be his last, and he decided to preserve his final day shooting online for posterity.