A new message stating 'The Ghosts Are Real' has been posted on Call of Duty: Ghosts' teaser site ahead of the game's expected reveal later today.
Ghosts' teaser site went live on Monday night and encouraged users to upload pictures of their Facebook or Twitter avatar to a Call of Duty mosaic.
Thousands of users appear to have submitted their picture, which has formed the background image of the face mask found on the game's leaked box art.
Call of Duty: Ghosts is expected to be officially revealed later today, and rumoured to release on Xbox 360, PlayStation 3, PC and Wii U on November 5, 2013.
Earlier today, a weapon skin promoting the game was rumoured to have been found in the latest title update for Call of Duty: Black Ops 2.