User blog comment:Argorrath/Treyarch releases a BO2 teaser video called "Origins" for DLC 4/@comment-90.215.14.37-20130808175413/@comment-90.215.14.37-20130808182921

Also, Avenged Sevenfold are going to provide their new song 'Shepherd a Fire' for the opening cinematic to the map, can't link it as i'm on my phone but check out Kevin Sherwood's Facebook page, he posted a link to the site there.