User blog comment:Damac1214/First Image of Call of Duty 2014 Released/@comment-1142365-20140423011652/@comment-1055346-20140425171350

I'll look it up, but I think BO2 only broke the 24 hour sales record, not sales as a whole.

Regardless, Ghosts has still sold 20 Million Copies, so it's not like it's sturggling or anything.