The Ultimate Vampire Resource and Directory

What happens when the Dark Knight and the Man of Steel wake up on a skull-shaped planetoid packed full of cybernetic versions of their entire rogues galleries? Figure out why theyre being worshipped like gods, thats what! What is this strange new Brainiacs endgame and how did Batman and Supermans own villain database mutate into this twisted, metallic death planet? The mystery deepens as our heroes allies desperately search for their missing comrades...