Joaquin Phoenix has revealed in an interview that he almost played the Joker in The Dark Knight, a revelation that could have changed superhero cinema notably. When The Dark Knight premiered in 2008, it was a groundbreaking moment for both DC movies and the whole of cinema. Central to the films success was Heath Ledgers mesmerizing performance as the Joker, a role that won him an Oscar and solidified his portrayal as one of the most iconic villains in the DCU timeline. However, its fascinating to consider that another Joker actor was almost cast in this unforgettable role: Joaquin Phoenix.