The Steam page lists Infinity Ward, Sledgehammer Games, Beenox, Raven Software, High Moon Studios, Demonware and Treyarch.
Activision has stated that equipment for which the skins are being carried forward between the two games has to exist in the new game.
Activision has released a new trailer for the recently-announced shooter. Though primarily live action, it also showcases brief snippets of in-game footage.
Launch platforms haven't been announced, but Captains Price and MacTavish return, with the former teasing a major new threat.
After joking about key art, the official Call of Duty Twitter said, "We’ll share our artistic abilities and even more next week."
A recent update made to Sledgehammer's Twitter profile seems to align with the leaked logo for this year's Call of Duty.
The allegedly leaked promotional image of Call of Duty: Modern Warfare 3 features Captain Price next to cans of Monster Energy.
Reports have previously claimed that the game, which is being developed primarily by Sledgehammer, was originally supposed to be paid DLC for Modern Warfare 2.
An official reveal for this year's Call of Duty announcement could be around the corner, with a demo of the shooter being shown off to NBA stars behind-closed-doors.
Previous reports stated that the game would be a follow-up to Modern Warfare 2, but was unlikely to be called Modern Warfare 3.
It looks like Activision has plans to modernize the entire Modern Warfare trilogy.
The third entry in the Modern Warfare series has come to Xbox One before the second one did.
This is not what we had in mind...
Is it happening? Please let it be happening!
Kill! Kill! Kill!
They also stole a beta build of Call of Duty: Modern Warfare 3 pre-release.
COMPLETELY UNVERIFIED rumour.
This is terrible.
Halo 4 data not yet released.