Activision also said to be interested in buying itself out of Vivendi's 60 per cent share.
Leaked images imply a near-future setting.
Noah Heller and Mark Cox discuss next-gen support, Elite on PC, and the difficulties of "drinking from the firehose".
A Sony executive has inferred that Activision is looking to release a version of Call of Duty for the PlayStation Vita this year.
FPS titles dominate Microsoft's listings for the most-played games on Xbox LIVE for 2011, with Call of Duty titles occupying the top three slots.
More than 20 million map packs for Call of Duty: Black Ops have been sold during the first nine months of 2011, Activision revealed last night during an earnings call.
Activision Blizzard has reported digital revenues of $1.7 billion for the year ended June 2011, a 22 per cent increase over $1.4 billion the previous year.
Kanye West is set to close Call of Duty XP with his first public performance since the release of his fifth number one album, Watch the Throne.
Treyarch and Activision have announced that another Call of Duty: Black Ops Double XP weekend is taking place on September 2 through to September 5. The event coincides with the first ever Call of Duty event, Call of Duty XP.
Call of Duty: Black Ops Rezurrection, the fourth map pack for the blockbuster first-person shooter from Activision and Treyarch, is now available for Xbox 360.