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"One for all, and all for doom!" - (the creed of the Legion)
"Legion of Doom" is a movie (set in the same universe as "Man of Steel") about the most iconic villains of DC comics banding together from remote galaxies to achieve their goal of universal conquest.
Write the Justice League goes missing at the hands of the Crime Syndicate, a group of villains from another dimension, the world falls into chaos. While most of the worlds' villains are eager to join them, some are angry at the Syndicate for taking away their chance at revenge on the League.
So, operating out of a prototype mobile command center made by LexCorp in Slaughter Swamp (Gotham City, NJ) nicknamed the "Hall of Doom", this new group plans to strike back and reclaim the world.
- Jesse Eisenberg as Lex Luthor (greatest criminal mind of our time): CEO of Lexcorp and self-proclaimed "greatest criminal mind of our time". Founder and leader of the Legion. Once stole 40 cakes from the school bake sale. That's as many as four tens! And that's terrible!
- Jared Leto as the Joker (the clown prince of crime): A psychotic and extremely violent yet brilliant sociopathic master criminal. His past is so clouded in mystery, even he isn't sure of his true origins. While he doesn't believe for one second that Batman and the Justice League are dead, this is still one party he's not about to miss. So, even though he wasn't one of the villains Lex recruited, he shows up to join them anyway. Just don't laugh at his boner!
- Margot Robbie as Harley Quinn: The Joker's right hand henchwoman, bodyguard, and lover. As dangerous as she is adorable, and she's pretty damn adorable.
- The Cheetah: Born Priscilla Rich, legally changed to Barbara Ann Minerva. (The Cheetah in this movie is an amalgam of those two versions) Avatar of the ancient god Urtzkartaga and arch-enemy of Wonder Woman.
- Ving Rhames as Black Manta: A walking aquatic tank and black supremacist with serious rage issues and a grudge against Aquaman. He's the Legion's go-to underwater guy.
- Ron Pearlman as Deathstroke (the terminator): World-class assassin Slade Wilson a.k.a. Deathstroke the Terminator. He originally worked for the Syndicate, before Luthor reminded him that the world they would create was bad for his business.
- Captain Cold: Biggest crime boss in the Gem Cities (Central and Keystone) where supervillains and organized crime are one and the same. Unlike the others, Cold wants the Syndicate gone for the safety of his friends and sister. The other villains at first reguard him as inept, but he eventually proves himself.
- Henry Cavill as Bizarro: Subject B-0, Lex Luthor's attemp to clone Superman. Because of how little is known about Kryptonian DNA (making it difficult to synthesize) B-0 came out of the cloning pod as a twisted inversion of Superman with a childlike mind and his heat and freezing powers reversed. Nevertheless, he is feircly loyal to Luthor and every bit as strong as Superman.
- Mark Strong as Sinestro (the fallen lantern): Thaal Sinestro, formally the Green Lantern of Sector 1417, and now the weilder of the Qwardian power ring.
- Dwayne "the Rock" Johnson as Black Adam: Teth-Adam, former champion of the wizard Shazam and archenemy of Captain Marvel. (Not Shazam, Captain Marvel!)
- Tyler Mane as Solomon Grundy: Born on a Monday. Longtime foe of the Justice League. He's big, he's mean, and he wants pants, too!
- Giganta: Powerhouse of the Legion.
- Andy Serkis as Gorilla Grodd: Telepathic gorilla and ape supremict and rival of Lex Luthor. He secretly plots to overthrow him.