Baxter Stockman is busy working for Krang on the Technodrome... or so it appears. Little does Krang know that Baxter has secretly been working on his own project that is both mutant AND machine! But when creation turns on creator, Baxter's trademark smugness might be in short supply! Will Baxter come up with a plan B in time to save himself... and the world?

"Originally published as Teenage Mutant Ninja Turtles micro-series issues #1-4"--Title page verso.

TEENAGE MUTANT NINJA TURTLES: THE ULTIMATE COLLECTION, VOL. 2. JANUARY 2012. © 2012 Viacom International Inc. All Rights Reserved.

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!

The Power Rangers arrive in New York City to find their missing teammate Tommy Oliver, AKA The Mighty Morphin Green Ranger, but soon discover he’s joined forces with the villainous Shredder and the Foot Clan! But the Rangers must also deal with another unexpected (fr)enemy—the Teenage Mutant Ninja Turtles! Can these heroes find a way to work together to defeat the bad guys and save the world from total destruction?! Written by Ryan Parrott (Power Rangers: Necessary Evil) and illustrated by Simone di Meo (Power Rangers: Beyond The Grid), the Mighty Morphin Power Rangers fight—and maybe team up with—the Teenage Mutant Ninja Turtles for the first time ever. Collects the complete 5-issue series

The Teenage Mutant Ninja Turtles return to comics in their first IDW adventure! It's a different world for the Turtles. The group is broken as Raphael wanders the streets of NYC in search of food and shelter. His brothers and Master Splinter are on the search, but so far all they can find is trouble -- in the form of mutant alley cat Old Hob and his gang of criminals! The very core of the Turtles family is at stake as the new origin of TMNT is revealed! Join Tom Waltz, Dan Duncan, and TMNT co-creator Kevin Eastman for the start of a wild ride!

Time is short as Krang accelerates his plan to terraform the Earth, which will kill all who live on it! A surprise alliance results in a daring plan-- and the stakes have never been higher! Collects issues #41_44.