User blog comment:Damac1214/Modern Warfare 4 supposedly leaked, Captain Price to return (UPDATE - Confirmed False)/@comment-4945633-20121030145634/@comment-1263839-20121030160503

^ Except at least CoD had major innovation between CoD 1 > 2 > 3 > 4.

AS 1 = AS 2, 2.5, 2.75 and 3.