The Justice League IV (film)

The Justice League IV is an imagined film in the DC Cinematic Universe and serves as the sequel to The Justice League III. It serves as the beginning of a new Justice League trilogy, featuring new members of the team.

Plot

 * Lex Luthor learns that Brainiac, who is currently depowered and had a small role in The Justice League II, was the cause of Krypton's destruction, and may be tje key to destroying Superman, as well as the Justice League, which he loathes. Superman is currently voyaging across the galaxy to save the remnants of Krypton, as revealed in Superman: Son of Krypton. Wonder Woman, Cyborg, and Martian Manhunter are the only active members of the Justice League fighting crime on Earth. John Stewart is on Qward and Hawkgirl is on a honeymoon with Hawkman.
 * LexCorp is able to bring a new Brainiac, version 2 back to life, programming it to destroy the Justice League in order to bring back Superman to Earth.
 * Brainiac 2 makes a surprise attack on Justice League headquarters, and Martian Manhunter is killed. Cyborg and Wonder Woman are able to fend off Brainiac, who vows to return. J'onzz's dying wish to Diana is to regroup the Justice League to its former glory.
 * Wonder Woman asks John Stewart to return to Earth. Cyborg asks his friend Red Tornado to join. The league tracks down Billy Batson and persuades him to join after reluctance to replace Superman. Green Arrow approaches the League with clues on Brainiac. Brainiac, meanwhile, corrupts Maxima, a former commander under Darkseid who is secretly living on Earth, to join him.
 * The Justice League destroy Brainiac in the third act, and Maxima joins the League to land the finishing blow.
 * Luthor smiles, as the destruction of Brainiac caused Kryptonian airwaves to be sent across the galaxy, forcing Superman to come back to Earth. he reveals he has plans for him, and says it takes a League to destroy one, referencing the Legion of Doom.

Cast

 * Gal Gadot as Diana Prince/Wonder Woman
 * Cillian Murphy as Brainiac 2
 * Zachary Levi as Billy Batson/Shazam!
 * Ray Fisher as Victor Stone/Cyborg
 * Trevante Rhodes as John Stewart/Green Lantern
 * Liam Hemsworth as Oliver Queen/Green Arrow
 * Katheryn Winnick as Maxima
 * Bryan Cranston as Lex Luthor
 * Corey Stoll as Red Tornado
 * Harry Lennix as J'onn J'onzz/Martian Manhunter