To the rescue! Some of Hollywood's biggest stars have donned tights and capes to save the day as beloved superheroes -- see celebs including Ben Affleck, Chris Evans, and Gwyneth Paltrow as superheroes!
In Iron Man 2, Scarlett Johansson poured herself into a sleek catsuit to play Black Widow. In 2012 she joined the rest of the crew in The Avengers, and did the same for 2014's Captain America: The Winter Soldier.
Credit: Francois Duhamel/Paramount Pictures