Justice League is a 2017 American superhero film based on the DC Comics superhero team of the same name, distributed by Warner Bros. Pictures. It is the follow-up to 2016's Batman v Superman: Dawn of Justice and the fifth installment in the DC Extended Universe (DCEU), which is now known as the "Worlds of DC". The film is directed by Zack Snyder, written by Chris Terrio and Joss Whedon, and features an ensemble cast that includes Ben Affleck, Henry Cavill, Gal Gadot, Ezra Miller, Jason Momoa, and Ray Fisher as the titular team, with Amy Adams, Jeremy Irons, Diane Lane, Connie Nielsen, and J. K. Simmons in supporting roles. In the film, Batman and Wonder Woman recruit The Flash, Aquaman, and Cyborg after Superman's death to save the world from the catastrophic threat of Steppenwolf and his army of Parademons.