With all that content packed into two hours, you might have missed what for my money was the most exciting part of the night: A first-look at Black Ops Cold War‘s Zombie mode in action. Multiple leaks over the past several months have suggested that zombies would be making a comeback, which is hardly a surprise: Treyarch introduced the undead hordes way back in World Of War, and they’ve been a staple of every game developed by the studio since.