The highly anticipated sequel, Joker: Folie à Deux, is set to release in theaters on October 4, 2024, featuring Joaquin Phoenix reprising his role as Arthur Fleck alongside Lady Gaga as Harley Quinn, now known as Lee. Directed by Todd Phillips, the film explores Arthur's struggles with his identity while institutionalized at Arkham Asylum and introduces musical elements, a departure from traditional superhero narratives. Recent trailers, shared by Lady Gaga, highlight early reviews, emphasizing her performance and the film’s mixed reception, with critics divided on its musical label. The film also stars Brendan Gleeson and Catherine Keener, with a score by Hildur Guðnadóttir, who won an Oscar for her work on the first film. Phillips has indicated that the sequel will focus on Arthur's love story and the chaotic world he shares with Lee, further diverging from previous portrayals of the characters. The film aims to captivate audiences with its unique take on the Joker mythos, combining psychological drama with musical elements.