User blog comment:Master Sima Yi/Assassinews 05-08-'14 – Assassin's Creed: Rogue announced/@comment-24595865-20141002201356

http://assassinscreed.ubi.com/en-US/news/news_detail.aspx?c=tcm:152-175849-16&ct=tcm:148-76770-32

More info about co-op.