Animated 'Batman: The Killing Joke' Will Be DC's First R-Rated Movie

A few weeks ago we heard Mark Hamill would reprise his infamous voice-acting role as the Joker for Batman: The Killing Joke, an animated adaptation of Alan Moore's 1988 graphic novel, universally hailed as one of the best in the Dark Knight's history.

And guess what? The movie's gonna be rated R.