Age Of Ultron | Behind-The-Scenes Stuntman Jan Petřina was a stunt double for Chris Evans in Captain America: The First Avenger and Avengers: Age of Ultron(seen rehearsing the shot above), he’s also worked with Chris Pratt in Guardians of the Galaxy and Paul Bettany in Avengers: Age of Ultron. Here are some urban legends turned out to be facts from the movie: -A potential obstacle for Age of Ultron was that Robert Downey Jr.’s contract was finished. If he didn’t want to play Iron Man again, he d