User blog comment:Argorrath/Treyarch releases a BO2 teaser video called "Origins" for DLC 4/@comment-90.200.201.54-20130807182418/@comment-11848168-20130807192957

I think you can confirm if they are the original characters or not by looking at the emphasized features that the camera zooms-in and pans around. Takeo is known to carry an officer sword, and a sword is shown on one of the characters, but that's my guess. And on a somewhat related note, the boss is Iron Giant, which means a Vin Diesel cameo is confirmed. Any arguement against that is invalid