Fan Casting The Justice League

A semi-reboot/semi-sequel set in the DCEU. After the events of BvS, the world is reeling from the loss of Superman. At the same time, Lex Luthor Sr., who recently sent a message to an unknown alien being requesting help in defeating Superman and his fellow meta humans, tries to save his company from the damage done to it by Lex Luthor Jr. This alien being, Brainiac, eventually meets with Lex Sr. soon after Superman makes a grand return to the world. Together, the two villains begin creating a plan that will rid the world of Superman and other meta-humans, though Brainiac secretly plans to destroy Earth to perfect it in the same vein as Krypton. It's up to Superman, Batman, Wonder Woman, and other heroes like them to stop the two villains and the world from meeting Krypton's fate.