User blog comment:Damac1214/Sales of Black Ops II are a "Cause of Concern" for Activision/@comment-10363123-20121204013917

Even if sales numbers are down, the series is far from dead. I haven't looked at any charts, but I can guarantee that BO2 is either the #1 or #2 game on Xbox LIVE. For other consoles, it is most likely the most played game. If Activision were to drop the Call of Duty series, their sales would definitely show it. As long as members such as me (dating back to CoD3) exist, the series will exist.