Activision Blizzard Inc. this month released the Zombies: Blood of the Dead Trailer for Call of Duty: Black Ops 4 for Sony Corp.’s PlayStation 4, Microsoft Corp.’s Xbox One, and the PC.

The trailer previews the classic Zombies heroes at the Alcatraz Penitentiary to fight a known enemy.

Call of Duty: Black Ops 4 will include mission-based single-player content, an online multiplayer component and a co-op Zombies mode.

It will be sold Oct. 12.