Can the Teenage Mutant Ninja Turtles defeat evil aliens and a superintelligent, mind-reading monkey?

I am Master Splinter. For many years now, I have been sensei to the greatest team of warriors I have ever known: the Ninja Turtles. Being their teacher in these ancient skills and guiding them as they have come of age has been the greatest honor of my life. If my great students, the Ninja Turtles, should ever be defeated, other worthy heroes must rise up to defend the world. As you read these lessons, you may discover that it is you who are worthy....

"He is a warlord, a genius, and a squishy pink brain. He is General Krang. One of the most unforgettable villains in TMNT history, Krang has an arsenal and wit unlike any other and his master plan sees the Turtles come into direct confrontation with one of their mightiest enemies!"--Back cover.

""City Fall" concludes as Shredder reveals his new second-in-command and launches a full-scale war on New York City! With allegiances shifting, the Turtles must fight back against their most deadly enemy."--Amazon.

The Turtles return from Burnow Island to find unimaginable tragedy. As the family struggles to cope, an enraged Foot Clan prepares its revenge. Meanwhile, Casey prepares for a final showdown with Hun as the Purple Dragons run amok.

When the meanest mutants in New York City join together, the Teenage Mutant Ninja Turtles must use everything in their arsenal to stop them.

"Raphael, Leonardo, Donatello, and Michelangelo love battling bad guys...until an unstoppable force emerges from deep beneath New York City he Turtles finally met their match?"--