Warner Bros. Pictures and DC Studios are set to release “Joker: Folie à Deux,” the sequel to the 2019 hit “Joker.” Joaquin Phoenix returns as the Joker, with Lady Gaga joining as Harley Quinn. Directed by Todd Phillips, filming spanned from December 2022 to April 2023 across Los Angeles, New York City, and Belleville, New Jersey. The film, slated for release on October 4, 2024, promises to delve deeper into the Joker’s psyche while delivering suspense and thrills.