Batman Ninja

Batman Ninja (ニンジャバットマン 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.

Plot
Gorilla Grodd uses a mind control device on each of the villains to built their own mecha that ultimately combine into a giant mecha that are piloted by the Joker.