Apparently, there is a new SSX in the works, which is due to be released this winter (possibly around Christmas time). This game is called SSX: Deadly Descents, and follows teams of snowboarders who compete to be the first to successfully complete a run down a mountain.
Yes, he is the main antagonist in the game and he is as a playable character in all modes after you beat him in World Tour for the final time.
The game was released on February 28, 2012 for the PS3 and also the Xbox 360
SSX happened in 2000.
ssx on tour
SSX on Tour happened in 2005.
On Deadly Ground was released on 02/18/1994.
SSX Blur happened in 2007.
SSX Tricky was created in 2002.
SSX Tricky happened in 2001.
SSX on Tour happened in 2005.
SSX was created on 2000-10-26.