In Marvel United: X-Men, you take the role of iconic Marvel Heroes cooperating to stop the master plan of a powerful Villain controlled by the game. Each Villain unveils their unique master plan, with cards that trigger different effects, and threats that pose challenges across the locations. Heroes must choose carefully the cards to play from their unique decks, that not only offer different actions and superpowers to use, but also combine with the actions of other Heroes to do the impossible. Build your storyline, unite your powers, save the day!