During Wednesday’s episode of the “Jimmy Kimmel Live!,” Michael Keaton explained how he’d go about beating up Danny DeVito and Arnold Schwarzenegger. Oh, this isn’t a random celebrity beef. Keaton is a beloved Batman actor, and DeVito and Schwarzenegger have portrayed two iconic members of the superhero’s rogue’s gallery. (While DeVito’s Penguin faced off with Keaton’s take on Batman, Schwarzenegger’s Mister Freeze faced off with George Clooney’s Caped Crusader.) The comments were spurred by the now viral moment that took place during an otherwise boring-as-usual Oscars ceremony this past Sund…