Batman 4

Batman 4 (also known as Batman Beyond 2) is a planned superhero movie to be released in 2022, which will be a sequel to Batman Beyond and the sixth installment in the Warner Bros Batman anthology series following Batman (1989), Batman Returns (1992), Batman Forever (1995), Batman & Robin (1997), and Batman Beyond (2020).

Michael Keaton will reprise the role of Bruce Wayne, as well as Batman in flashback sequences. Terry McGinnis will be the protagonist once again. The film will be inspired more by The Dark Knight Returns, as well as the animated film Batman Beyond: Return of the Joker and also the comic book storylines Batman: A Death in the Family and Batman: The Killing Joke.

Synopsis
Bruce Wayne is puzzled when his original arch-nemesis The Joker has returned to Gotham City, despite killing him over 30 years ago.

Cast

 * Michael Keaton as Bruce Wayne
 * Margot Robbie as Harleen Quinzel/Harley Quinn