Following the second defeat of Cortex, multidimensional rifts have been popping up all over. A villainous warlord named Vortech plans to merge all universes into one, which could cause catastrophic damage to each individual universe. Now, the Smash Bros must reunite with new allies, both from and foreign to their universe, even a few of their respective members most dreaded foes. But Vortech has the aid of a few others, such as Dr. Wily, Ganondorf, and Evil the Cat to name a few.
