File this under huge speculation, but FlickeringMyth are suggesting there may be room for one small one in a The Force Awakens.
A source claims that international vocal casting has been linked to the ancient Jedi master, suggesting his inclusion in the new movie as either a Force Ghost or perhaps an appearance in a flashback or vision. Frank Oz has recently returned to the character for the animated show, Star Wars Rebels. This could pave the way for his return to the big screen.
something tells me we haven't seen the last of master Yoda...
Thank you for reading,