Prepare to face a literal wall of zombies in the upcoming new content coming to the popular Call of Duty mode, as Call of Duty: Black Ops Cold War Zombies launches its Mauer Der Toten Trailer– and you can expect a new chapter of the Dark Aether story to unravel in a very big way with this new map!

Check out the trailer below straight from the folks at Activision!

With the trailer comes an ominous summary, and here’s the overview of what to expect with this expansion via press release.

As the Dark Aether expands, an old enemy overtakes a divided city. This is the story of Black Ops Cold War Zombies so far, counting down to the impending release of “Mauer der Toten.”

With darkness engulfing a city, a mystery that’s waiting to be unraveled, and plenty of demons and monsters set to stand in your way, there’s plenty to look forward to with Mauer der Toten as Season 4 of Black Ops Cold War continues and hypes up the first person shooting carnage to come. Get ready to embark in the most daring storyline yet.

If you missed the last update for Black Ops Cold War with Update 1.19, read the patch notes here.

Black Ops Cold War Zombies Mauer der Toten map comes to the game on July 15.