Only 55,000 units expected to be sold in April - outsold by the Wii.
Formal announcement rumoured for 5pm BST.
Guests to go into more detail about the announcements.
BF3 DLC temporarily reduced to half price ahead of Battlefield 4 release.
Mobile engine to bring "true Frostbite experiences to all major mobile platforms".
Pre-order the PS3 version from GAME to play as Edward Kenway, or Xbox 360 for Sam Fisher.
Promises to debut exclusive trailers, footage, interviews and new titles.
Experience the entire game world, plus full access to current and future updates at no cost.