UPDATE: Activision has provided further details and stated that the promotion starts in the US on October 6th. The codes in the boxes can be used to unlock in-game gear, Double XP, and Supply Drops.

‘FUEL UP FOR BATTLE’ with Mountain Dew®, Doritos® and Call of Duty®: Advanced Warfare. The Fuel Up for Battle promotion allows players to customize their Call of Duty: Advanced Warfare multiplayer experience by accessing in-game gear through the new ‘Supply Drops’ reward system.

Starting October 6, fans in the U.S. can collect codes from specially marked packages of DEW® and Doritos products and enter them online at www.DewandDoritos.com to enhance their gaming experience and create a unique identity for their advanced soldier by unlocking exclusive (until Feb. 15, 2015) Dew and Doritos in-game gear.

Players can customize their character with accessories such as an exoskeleton, loadout vest, helmets, goggles, boots and more. Gamers will also be able to unlock double XP and rapid supply rewards. Every code entered from DEW and Doritos packages unlocks Call of Duty in-game rewards and each code entered will also provide a chance to win an Xbox One, the all-in-one games and entertainment system from Microsoft.