Discover the secret origins of the Triceratons: how they began on Earth, what that means for their return, and how they successfully rebelled against their Utrom captors! Plus, the Turtles fight to save their city, but become trapped in tight quarters when NYC is evacuated. Will they find a way to freedom without driving each other crazy? Then, Raphael and Alopex go undercover at Null Industries. They find more than they bargained for, including very angry mutants! Collects issues #16-20.

Comics' biggest creators make their mark on the Turtles universe! Go beyond the main series in this exciting anthology of stand-alone stories. Find out what beomes of the Triceratons after the Invasion! Will they get along with their new neighbors or become victims of a terrifying new villain? Plus, can Donatello mediate a truce between the Utroms and the Triceratons, or will fanatics on both sides cause a deadly derailment? The fate of alien life on Earth hangs in the balance! Brought to you by a diverse array of talent including PAUL ALLOR, MARK TORRES, CALEB GOELLNER, PABLO TUNICA, ROSS MAY, CHRIS JOHNSON, RYAN FERRIER, RICH DOUEK, BRAHM REVEL, BUSTER MOODY, IAN FLYNN, and NELSON DANIEL. Collects issues #21-25.

Today's best creative teams get a chance to add their mark to the saga of the TMNT in exciting stand-alone stories that provide context and sub-plots to the ongoing series. The TMNT Universe expands as new enemies and allies meet for the first time and, what was once safe, turns deadly! Behold the debut of the TMNT's weirdest foe yet: Wyrm! Then, Donatello reboots a new and improved Metalhead only to find that the robot no longer functions entirely as designed... for better and worse! And, Alopex and Nobody are looking for a little rest and relaxation but get more than they ask for when they become the unwilling guests of a never-ending party thrown by the hedonistic Toad Baron! Collects issues #6–10.

Go beyond the main series in this exciting anthology of stand-alone stories. Karai has always embodied the Foot Clan. With the Clan under the control of Splinter, what path will she take during her travels in Japan? Danger and intrigue await her, Koya, and Bludgeon! Plus, Man Ray and Sally Pride journey to New Jersey to investigate rumors of a mysterious monster. Collects issues #11-15.

The action-packed first arc of TMNT Universe comes to a close as the Raphael makes an impossible choice and Baxter Stockman’s surprise gambit takes effect!