Board Thread:General Discussion/@comment-1255374-20160509012936/@comment-24463671-20160511012718

Here are my thoughts:

It starts off with the Turtles and Splinter still searching for Karai. Somehow, Shredder exposes the Turtles to the public and turns all of New York against them. The Foot form a militia of people to hunt down the Turtles, Mutanimals, and other allies.

There are people saying that it's supposed to be some sort of "Human vs Mutant" arc sort of thing.

Anyway, that's just my opinion.