"Jason Bourne would kick the s--- out of Batman—absolutely!" he said. "Batman's gotta take on Superman first. If he could beat him then maybe he could take on Jason Bourne."
Then when asked if he would ever play a superhero, Damon, 43, twisted the knife a little more.
"I think they're kind of out of superheroes. Ben's going to be like the sixth or seventh Batman, so I don't think there's really any left. So I'm good. Jason Bourne is my superhero," he said.
A request for comment has been sent to Affleck's rep.