User blog comment:Damac1214/Sales of Black Ops II are a "Cause of Concern" for Activision/@comment-402843-20121201183222/@comment-2045634-20121202064827

If it has "Call of Duty" on the cover, it won't be a problem. A new engine would make the series a lot more fresh just all over. Movement, animations, graphics, (obviously) etc. It would attract some people back in, though my guess is Activision is waiting to make a new engine for the next Xbox