"Unlock Multiplayer, Zombies, and Warzone Bonuses by Finishing CoD: MW3 Campaign"

Activision is incentivizing players to complete the Call of Duty: Modern Warfare III campaign by offering various rewards such as calling cards, double XP tokens, Operators, and a weapon blueprint. These bonuses can be used in multiplayer, Zombies, and Warzone modes. The campaign unlocks on November 2 for digital pre-orders and on November 10 for everyone else. Spoilers have leaked online, so caution is advised.