Scooby Doo 3 a/k/a Scooby Doo The Beginning is set to come out this fall. It is a prequel, which focuses on the gang's first mystery.
As part of that movie release, there will also be new video game called Scooby Doo First Frights. Where you play as Scooby, Shaggy, or any of the gang and solve Mystery Inc.'s first cases.The new Scooby Doo video game is slated to be for the Wii, PC, and Playstation 2. Expected release date is September 2009.
Check out the trailer for new game, the graphics look cool.