The Grandmaster joins the quest for the infinity gems! And in the ancient elder's classic style he challenges Loki to a contest of champions! Loki's champions will be Ultraforce! And the Grandmaster's the Mighty Avengers! The magnificent matchups are set: Captain America vs. Hardcase! Crystal and the Black Widow vs. Siren and Topaz! Iron Man vs. Prototype! Starfox vs. Contrary! The Vision vs. Ghoul! and Thor vs. Prime! Will the best team win? Or will Loki and the Grandmaster both lose? Watch out for the wildcard!