Teenage Mutant Ninja Turtles: Saturday Morning Adventures Continued #11b | IDW Publishing | NM-

The heroes in a half shell have rescued Leonardo from one time-space catastrophe, but they're not done with dimensional portals yet! Shredder has returned from ancient Japan with a new sword, even more powerful than the last, and he intends to use it to bring the Technodrome through to the Big Apple. It's up to the Teenage Mutant Ninja Turtles to thwart him and keep New York City safe from the consequences of rips in reality.