>>715399492
>game starts with Superman at full power fighting against one of Lex's gizmos
>Lex devices a trap where the moment Sups saves the day, he is injected with super kryptonite which was meant to kill him, but only knocks him out
>suddenly, the sun turns red by an unknown force and at that same moment, Metropolis gets swarmed by an army of aliens wrecking havoc
>now Superman will have to slowly recover his powers while finding out who or what is behind all this while doing his best to keep everyone safe

Funny thing is that this is probably an average tuesday for Superman and this has happened to him in 15 different continuities, but only a hack would say there's no way to make a believable Superman game.