Mark Ruffalo | Colbert Classic

Mark Ruffalo talks about playing a real "hero" in his new movie "Dark Waters," and tells Stephen that he doesn't know what the fate of the Hulk will be in the Marvel Cinematic Universe (Original Air Date: November 14th, 2019). The Late Show and Late Show Pod Show will be running repeats this week while Stephen recovers from surgery for a ruptured appendix. Learn more about your ad choices. Visit megaphone.fm/adchoices