Board Thread:Questions and Answers/@comment-24578309-20140608193942/@comment-24463671-20140622154139

QuasimodoBellringer wrote: The mutant Karai might just be a 'toy-exlusive'. Anyone think of that? I agree. Even if she does get mutated, Donnie would just give her some retro-mutagen, so it would only be for a short time.

Plus, I just saw "Plan 10"; the ending had a preview for "Vengence is Mine"; it shows Karai (unmutated) in the lair, that implies that she did escape.

If she DOES get mutated (which I HOPE SHE DOESN'T) it won't happen until much later (plus if she was, they have Retro-Mutagen now)