User blog comment:JAlbor/Assassin's Creed: Black Flag Q&A Opportunity/@comment-26435037-20130823143549/@comment-6517-20130824140855

Maybe not Kain, but they may well adapt and include some of Forsaken's scenes if they ever do another Connor game. (Much like they did with the Cristina memories in Brotherhood, and the Memory Seal sequences in Revelations.)