User blog comment:Argorrath/Black Ops II "The Replacers" Vengeance Video released + Double XP this weekend/@comment-5933935-20130625174606

So, to sum up the zombies, there is a ghost that you can kill (she probably was the one who spoke in the first trailer), what seems to be a new "boss" and a giant, half-zombiefied person that kills and eats zombies. Oh yeah!