In recent years, the deck building genre of card games has become very popular. Dominion hit the scene in 2008, and was a smash hit. In addition to a host of expansions for that game, many other deck building games have been published. One thing that was missing from the genre, though, was cooperation. The subject of this installment of Tabletop Co-Op, Legendary, introduces Marvel super heroes into the deck building genre, and adds co-op too!