At this year's Comic Con ("ComicCooooo~n!!") there was a special booth outside the event for a TMNT mini-events were some people were shown some footage and models of the characters for the upcoming new Teenage Mutant Ninja Turtles cartoon.
Did I say cartoon? I mean "CGi-cartoon".
Anyway, not much was leaked out.
So here's some pic of the characters at least:
They look quite simple stylistically. Not sure how well this well translates once animated...
And here's some pics of the event itself, from far outside:
And that is all I guess~