Fan Casting

Green Lantern flies on a similar space ship to Abin Sur, Fire burning on it, He tries to get in contact with the other Green Lanterns, But the only one He is able to contact is John Stewart but it loses connection. He tells himself that He can't die the same way Abin Sur did, The space ship crashes and explodes. He luckily put a space bubble around Him so He wouldn't die, Barry Allen aka The Flash finds the crashed space ship that landed in Central City, Hal tells Barry that someone killed many Green Lanterns, Including His mentor Kilowog. They decide They need to form some kind of superhero team, But They can't do it by themselves. They give the idea to Superman and He says it's a great idea. Throughout the movie They recruit more and more members including Batman, Wonder Woman, Aquaman, and Martian Manhunter. Lex Luthor starts to turn even more to the darkseid thinking of forming a team to fight Superman because Superman failed to save His assistants Mercy and Otis from death. Also, Throughout the film, The main villain Amazo fights them and escapes. In the climax of the film, Amazo brutally defeats them but they work as a team and defeat him gaining public trust. In the post-credit scene Lex meets with Captain Cold recruting him to a team.