Michael Keaton is back as Batman in new trailer for 'The Flash'

"You wanna get nuts? Let's get nuts."That famous line from 1989's "Batman" is making a return in 2023. And so is the actor who portrayed the caped crusader more than 30 years ago. Pittsburgh native Michael Keaton is back as the Dark Knight in the new trailer for the upcoming superhero flick "The Flash."Watch the full trailer in the video player above.