It's official. Director Todd Phillips' upcoming DC film Joker has been given an R rating by the Motion Picture Association of America.

It's hard to know what exactly to expect when the subversive comic book movie arrives later this year, but one thing was pretty certain from the start -- it's going to be a dark film. Today confirmed those suspicions, as the MPAA rating for Clown Prince of Crime's first theatrical solo outing has now been posted to the film's official websiteJoker is rated R for "Strong Bloody Violence, Disturbing Behavior, Language and Brief Sexual Images."

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This shouldn't come as too much a surprise to anyone who's followed the film's production, as those making it all-but-assured fans this would be an adult-oriented film more along the lines of James Mangold's Logan, rather than something like Avengers: Endgame.

Still, it's certainly interesting to see "Disturbing Behavior" explicitly listed as a reason for the Restricted rating, since such a description typically involves particularly creepy content. (Not that any film about the Joker's rise to infamy worth its weight in chattering wind-up teeth would be a walk in the park.) We'll undoubtedly learn more about what makes the movie so "disturbing" when it premieres soon at the Venice Film Festival.

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Directed by Todd Phillips, Joker stars Joaquin Phoenix, Robert De Niro, Zazie Beetz, Bill Camp, Frances Conroy, Brett Cullen, Glenn Fleshler, Douglas Hodge, Marc Maron, Josh Pais and Shea Whigham. The film arrives in theaters Oct. 4.