Leonardo stumbles across an underground fight ring in Mutant Town that caters to both humans and mutants. When Casey Jones convinces Leo to join in, he's startled to find that one of his opponents is someone of grave importance to him!
Kevin Eastman, Tom Waltz, Jason Ciaramella, Brian Lynch, Erik Burnham, Mike Costa, Ben Epstein, Dustin Weaver, Paul Allor, Mateus Santolouco, Dave Wachter, Sophie Campbell, Cory Smith, Mike Henderson, Ben Bates & Dan Duncan
