Something has escaped Stockgen labs and is hunting the Turtles. Its unrelenting and deadly force compel the Turtles to question how far they'll go to defend themselves... and stretch the brothers' bonds to the limit!

Karai's Path, part 4 of 4. Tokyo is ablaze as a gang war spirals out of control. Karai returns with a secret weapon, but will she choose a path of peace or war? And what will that choice mean for the TMNT?

"Based on characters created by Peter Laird and Kevin Eastman."

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.

The animated worlds of the current Teenage Mutant Ninja Turtles Nickelodeon cartoon and Batman: The Animated Series collide in this outstanding mini-series featuring fan-favorite characters from both universes! Villains start to mysteriously escape Arkham and Batman seeks to track them down, but he discovers that they have left Gotham completely... and gone to the New York City of the Teenage Mutant Ninja Turtles! Collects issues #1-6!

The mutagen bomb's fallout continues to affect NYC in increasingly disturbing ways. As the government struggles to come to grips with a growing humanitarian crisis, mutants start to go missing. The TMNT trace the clues to the waterfront and find something terrifying that is now living in the depths!

Go back to the very beginning, with the Turtles' first encounter with the Foot Clan and their mysterious leader, the Shredder. With over 300 pages of mutated martial-arts action, this volume is perfect for fans to relive the glorious days of the Turtles' origins, as well as an excellent place for new readers to see where the TMNT phenomenon began. Collects the first seven issues of the series, plus the Raphael and Michelangelo Micro-Series one-shots, all in brilliant color.

Bebop and Rocksteady stumble across a time-travel scepter, kickstarting the craziest, most destructive adventure yet! Then, when a mysterious new mutant targets Baxter Stockman, it will be up to the TMNT to reluctantly save him, but little does anyone know that a larger trap is being laid by a new arch-foe. Plus, Donatello reboots a new and improved Metalhead only to find that the robot no longer functions entirely as designed. Collects the Bebop & Rocksteady Destroy Everything mini-series, Teenage Mutant Ninja Turtles Universe issues #1-8, and Teenage Mutant Ninja Turtles issues #65-66.

Originally published as Teenage Mutant Ninja Turtles issues #1-4.

The Turtles return from Burnow Island to find unimaginable tragedy. As the family struggles to cope, an enraged Foot Clan prepares its revenge. It's all been building to this...the start of the final storyline leading to #50!