Fan Casting Justice League (2012)

While the world struggling with new age of superpowered people, Steppenwolf, the general from army of warlord Darkseid, invades Earth with army of Parademons, to terraform Earth with help of Mother Boxes and find the Anti-Life Equation, formula to control all the sential life in the universe. To stop the invaders, Superman, Batman, Wonder Woman, Aquaman and General Swanwick, who turns out to be a martian J'onn J'onzz, joined by two newcomers the Flash and Cyborg, now must stop Steppenwolf and prove the world that they deserve to be their heroes.