When does Batman Ninja return?

Batman Ninja is a 2018 American-Japanese animated superhero film. It is directed by Junpei Mizusaki, produced by Warner Bros., and animated by Kamikaze Douga and YamatoWorks. It features Batman and several of his allies and enemies who end up time-traveling to feudal Japan. A sequel, Batman Ninja vs. Yakuza League, has been announced.