Haven't heard anything from my side, but Inno is pretty quiet about their work until it's at a good Beta standpoint.
So...can not confirm or deny because I have heard nothing haha.
o.o So soon after releasing TW2? That wouldn't make sense. It took them nearly 10 years to make a sequel to Tribal Wars 1.
If they do make a TW3, I'm not sure I'd be able to keep up with all the different Tribal Wars'.