When Dr. Doom bands the worlds villains together as The Masters of Evil and attacks the S.H.E.I.L.D. Heli-Carrier, the heroes of the world unite to form an Ultimate Alliance. Uncover Doom's diabolical plan while traveling to exotic locations like deep beneath the ocean to Atlantis, the bizarre Murder World, the Skrull home planet, and Asgard the home of Thor. Create your own dream team from the largest roster of Super Heroes ever in an epic quest that will determine the fate of the Earth. With over 130 different characters, Marvel Ultimate Alliance pits the greatest heroes against the biggest villains.