Doctor Doom discovers the existence of the DC Universe and decided to invade it as he considers it to be a potential threat. He promises to aid Unstoppable Colossus in controlling his newfound powers from Cyttorak but even if he fails to do that, he would not be a threat to his friends in the Marvel Universe as long as he wreaks havoc in the DC Universe instead. Wonder Man believes that he failed his Avengers teammates so he is determined to fight the DC Universe before the rest of the Avengers in order to impress them and prove that he is worthy and deserves redemption. Carnage is constantly defeated by Spider-Man and Venom so he considers the DC Universe as a chance to continue his killing spree without someone to stop him like in the Marvel Universe. Ronan the Accuser seeks an opportunity to expand his Kree Empire and convince his race about his expansionism. Ultron is offered control of a large part of the DC Universe by Doctor Doom after the defeat of the Justice League. Fight is taking place at the Justice League Watchtower with a week of prep, standard equipment and powers, morals on and no outside intervention. Vote the team that survives a fight to the death. Batman, Flash, Wonder Woman, Superman, Aquaman and Cyborg confront Unstoppable Colossus, Doctor Doom, Wonder Man, Carnage, Ronan the Accuser and Ultron.