User blog comment:Master Sima Yi/Assassinews 08-02-'13 — Next game will be all new, plus DLC promotional material/@comment-3981209-20130210091548/@comment-4519956-20130210143004

I don't think Connor was well received by the fans in all honesty, and I think Ubisoft took notice of that. While I would personally like Connor's story to be wrapped up, I won't be surprised if we don't see him in future games.