Chris Burnham returns to art duties this issue as we finally learn the fate of Donatello! Trapped in a mutant zoo and forced to fight rich men looking for a thrill, his mind is still broken since last we saw him. As mysterious forces gather against him, can Donnie gather himself to defeat these enemies and set himself free? Superstar writer Jason Aaron continues his exploration of the individual Teenage Mutant Ninja Turtles, setting the stage for their reunion.