I hope it doesn't go back to an episodic format. Personally, I hated it. I generally play games for the story and prefer to progress once a chapter is complete, with the option of replaying later if I choose to do so. I don't like being beholden to waiting several weeks before being able to continue.
Also, and this is very much a personal opinion, but with the addition of leaderboards, ghost mode and all the other related online junk, I feel that the series has lost some of its personality since it strayed from the "self contained" format of its predecessors. No longer do I feel like Agent 47, rather one of millions of others.