It was a collaboration between Upper Deck Entertainment and Toy Biz .
Marvel Legends Showdown is a collectible tabletop game in which the primary component is 4 - inch ( 100 mm ) action figures and cards .
Marvel Legends Showdown was a tabletop game between Upper Deck Entertainment and Toy Biz .
Marvel Legends Showdown is a collectible tabletop game in which the primary component is 4 - inch ( 100 mm ) action figures and cards .