The fourth 'expansion' to the popular Vs System 2PCG card game featuring all new card characters and card mechanics. This stand alone set will feature 400 new cards covering 4 new teams. The Monsters Unleashed initiative by Marvel has opened the door to create an expansion that pits the greatest heroes in the Marvel Universe against some of the biggest and baddest monsters ever created! This set includes many of the Monsters feature in the Monsters Unleashed initiative included the 6 newly created Monsters for the comic series. The Heroes in this set to do battle include members of the Champions and Inhumans. 16 new Main Characters and 78 new Supporting Characters creating 4 new factions.