[neatoman]

Originally Posted by oldmanwinters

Oh, wow,

Spoiler:

Karai is back in New York and Shredder is apparently in prison.

And... IDW Karai was never referred to as Shredder' daughter, so far as I can remember.

So I guess this cements this mini-series as an alternate continuity from the TMNT ongoing?

I guess it would, yeah. There were some questionable continuity aspects in the first crossover, so I guess it's probably best to make it clear that it's not really the IDW turtles this time.