By: IDW Publishing
Release Date: 10/5/2016*
Written by: Kevin Eastman Tom Waltz
Art by: Mateus Santolouco Dave Wachter
 
As the Turtles continue to get used to a world leading the Foot Clan post-Shredder, they return to the Technodrome to monitor the revival of the Utroms on Burnow Island. They are surprised to meet a new mutant-Leatherhead! Will the mysterious mutant be friend or foe? Collects issues #56-60.