http://www.youtube.com/watch?v=wzIoQLAmEs0
SIERRA.com (http://sierra.com/)
As you might know (or not) Activison Blizzard is a fusion of the titular companies, as well as the publishers Vivendi Games, Sierra, Fox Interactive, Universal Interactive and Sammy Entertainment - thus effectivly became to biggest publisher.
You might remember Sierra as the publisher of the Spyro reboot (Not Skylanders), The Crash Bandicoot Games, those 50 Cent games, Homeworld, SWAT, Tribes, Leisure Suit Larry, No one lives forever, FEAR, etc and ofcourse Kings Quest. Now, some of these rights have since been sold (FEAR to WB, Homeworld to Gearbox) and it is currently unclear what their role will be.
The supposed big reveal is happening at Gamescom.