A new trailer titled "Power Changes Everything" from Call of Duty: Advanced Warfare, shows off the upcoming next installment in the military shooter series. Here's a debriefing on the new clip: "Power changes everything in Call of Duty: Advanced Warfare, from the Private Military Corporation-driven storyline in the single-player Campaign to the innovative exoskeleton movements in Multiplayer. Take a look at what makes Call of Duty: Advanced Warfare the total gaming package, including the world premiere of the four-player co-op mode: Exo Survival."