If they went hard R...

Yes, most of TMNT fans are adults and if Joker and Deadpool can make money then so can TMNT.
I recently read the original comics for the first time and I was thinking the same thing.

Then I would actually be interested in a TMNT movie.

I'm not asking for blood and guts. I'm just asking for something that's a little more mature. Seems like they're constantly trying to gear this IP toward kids. TMNT has the ability to appeal to adults too if handled correctly.

This was somewat closer to the comix from Mirage. Certainly, beginning looked promising but the eyeballs make them look goofy. Also, they never wore varied colored masks. At least make April hotter