The show doesn't really get going until Monday's suite of conferences, but that doesn't mean companies don't get a bit overeager and release things before then. Here's a roundup of the early news.

Activision sent out four teaser trailers for the upcoming Call of Duty: Modern Warfare 3, showing the game's four main locations: Germany, America, France and England. There's no actual gameplay in the teasers, but they're certainly flashy!

These videos were released shortly after details of the game leaked, revealing almost all of the new title's story, gameplay and look. (Hit the Read More link for the trailers.)