This image released by Warner Bros. Pictures shows Joaquin Phoenix, foreground center, and Brendan Gleeson, background center, in a scene from "Joker: Folie à Deux." (Niko Tavernise/Warner Bros. Pictures via AP)

Todd Phillips arrives at the premiere of "Joker: Folie a Deux" on Monday, Sept. 30, 2024, at TCL Chinese Theatre in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Director Todd Phillips, center, and actors Lady Gaga and Joaquin Phoenix pose for photographers upon arrival at the photo call for the film 'Joker: Folie a Deux' in London, Thursday, Sept. 26, 2024. (AP Photo/Kirsty Wigglesworth)

This image released by Warner Bros. Pictures shows Joaquin Phoenix, left, and Lady Gaga in a scene from "Joker: Folie à Deux." (Niko Tavernise/Warner Bros. Pictures via AP)

This image released by Warner Bros. Pictures shows promotional art for "Joker: Folie à Deux." (Warner Bros. Pictures via AP)

Joaquin Phoenix arrives at the premiere of "Joker: Folie a Deux" on Monday, Sept. 30, 2024, at TCL Chinese Theatre in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Joaquin Phoenix, left, and Lady Gaga pose for photographers upon arrival at the premiere for the film 'Joker: Folie A Deux' on Wednesday, Sept. 25, 2024, in London. (Photo by Scott A Garfitt/Invision/AP)

Lady Gaga arrives at the premiere of "Joker: Folie a Deux" on Monday, Sept. 30, 2024, at TCL Chinese Theatre in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

This image released by Warner Bros. Pictures shows Joaquin Phoenix, left, and Lady Gaga in a scene from "Joker: Folie à Deux." (Niko Tavernise/Warner Bros. Pictures via AP)