User blog comment:Damac1214/Black Ops II Zombies Teased - Possible Trailer Coming Soon/@comment-71.118.62.112-20120827234524

That blood print was probably supossed to be from some guy that was trying to escape through the door from a zombie but hence the blood, he failed. XD. But in all seriousness, I really hope the maps (zombies) are awesome and big.