As if the outcome of Leonardo vs. the original Shredder weren’t shocking enough, the Ninja Turtles are blown away to discover they’re not alone in the otherworldly realm of the Battle Nexus—or, indeed, in the universe itself. When the twisted battle master [REDACTED] calls for a wildcard match between former flames Raphael and Alopex, their prodigious fighting skills—and unbelievable tempers—could bring down the entire Battle Nexus!