There is absolutely no confirmation that he is making three more movies. The only thing he has done is make his employees since NDAs (Non-Disclosure Agreements). This effectively shuts anyone up from being able to talk about what is happening on the Ranch. If anything, look at it as a precautionary measure. Find the thread entitled "Episodes 7,8,9" and read more in there. The last couple pages in particular. It has a lot more information and it beats trying to repeat it all here.