According to Phoenix, he and director Todd Phillips discussed potential sequels before Joker had even been released. "Long before the release or before we had any idea if it would be successful, we talked about sequels," Phoenix revealed when speaking to the Los Angeles Times.

The star of Joker and his director: Joaquin Phoenix and Todd Phillips.

Joker director Todd Phillips: "It couldn't be a wild and crazy movie..."

The comments were initially made "in jest," but became more serious as they both realized there was more to explore. Phillips also spoke to the Los Angeles Times about a potential sequel, saying that it "couldn’t just be this wild and crazy movie about the 'Clown Prince of Crazy'" and that it would have to have "thematic resonance" like Joker.

Get all the info about a potential sequel to Joker in our video above!