Robert Downey Jr. was paid $10 million for only 8 minutes of screen time in ‘Spider-Man: Homecoming’. He got paid over $1 million per minute he's in the movie.
Robert Downey Jr. provided his DVD commentary in Tropic Thunder as Lincoln Osiris, a nod to a joke in the film that Lazarus never breaks character until he completes the DVD commentary.
Robert Downey Jr. largely credits the martial art Wing Chun for helping to maintain his sobriety, as well as helping to keep him "grounded, well and focused."
4The Entire History of You
In 2013, Robert Downey Jr. beat out George Clooney in a bidding war for movie rights to Black Mirror (UK) episode 'The Entire History of You' because they loved it so much.
5Robert Downey Jr.
Before his sobriety, Robert Downey Jr. was once pulled over for speeding, but the officers quickly discovered Downey was naked and hallucinating allegedly throwing imaginary rats at the officers on the scene. On another occasion, Downey was discovered curled up in the fetal position behind a grungy Los Angeles hotel.
6Less Than Zero
Robert Downey Jr. buried the clothes that he wore in 1987's "Less Than Zero" in the backyard of his house in a symbolic attempt to bury his decadent 1980s Brat Pack image and begin a new phase of his life and career after filming Chaplin.
Robert Downey Jr. pissed in jars and left them lying around the set of "Zodiac" to protest not having enough time to go to his trailer and relax.
Robert Downey Jr. was cast as Lex Luthor in Superman: Flyby, a Superman reboot written by J.J. Abrams that was never made.
Robert Downey Jr considered retiring as Iron Man in 2013 after receiving an on-set injury, believing that he was too old to continue playing the role of Tony Stark.
When Robert Downey Jr. was on the set of the Avengers he would hide food on the sets. Nobody was ever able to find it so they let him continue to do it. The scene where he is eating blueberries is unscripted and part of the collection of food that he hid.