Batman Ninja ( Ninja Battoman) is a 2018 Japanese animated superhero film directed by Junpei Mizusaki and produced by Warner Bros., which features the DC Comics character Batman. Takashi Okazaki, the creator of Afro Samurai, is the character designer for the film. The first poster was revealed on October 5, 2017, and the trailers were released later on December 1, 2017. The film was released in the United States in digital format on April 24, 2018; it was released in physical formats on May 8 and was released theatrically in Japan on June 15. In its American release, writers Leo Chu and Eric Garcia have admitted to rewriting the film from the original Japanese script written by Kazuki Nakashima, ultimately making two entirely different versions of the same film.