Unite with Earth's Mightiest heroes in this Avengers edition of Uno Game! Fight the foes no single hero could withstand with the special Avengers Assemble card! And remember to yell "Uno!" before you play your last card and the battle is won! Contents: 112 cards, instructions. includes 4 special Avengers Assemble cards with a special rule: Whenever evil dares to show its face, the Avengers assemble to defeat it! When another player plays a Draw 2 or a Draw 4 card on you, you may use this card to block it! This card is also a wild card, so you choose the color that resumes play.