User blog comment:Argorrath/Treyarch posts a message of zombies; possibly hinting to a DLC 4/@comment-181.165.4.114-20130806190106/@comment-72.130.173.244-20130807061900

All three points are VERY indicative of Takeo, Nikolai and Dempsey. Unless you're suggesting that they're gonna have a new guy from some country that still has an emperor, Nikolai and some random U.S. Marine.