Update: As I said before, I couldn't remember who was behind this release, but I have since found that it is Infinity Ward and Sledgehammer Games. Infinity Ward was the developer for the last Modern Warfare games. Due to current conflicts with Infinity Ward developers, Sledgehammer Games were contracted by Activision to meet the deadline on MW3 (See here).
Here is the trailer
For those Australian readers, you start you pre-order now at EB Games stores and online: http://bit.ly/iWEcp5