I've been looking so many places, but can't seem to find it. I know the composer is Mark Griskey. I can't even find much by searching his name. John Williams is another name mentioned with The Force Unleashed Soundtrack:
http://www.tracksounds.com/reviews/the_force_unleashed_mark_griskey.htm

Mark Griskey:
His site: http://griskey.com/
http://www.tracksounds.com/specialfeatures/Interviews/interview_mark_griskey_2008_page1.htm

Anybody know where I can get the soundtrack for Marvel Ultimate Alliance? Or any other music that is similar to it?

http://www.youtube.com/watch?v=MetsF1AWh2U
http://youtubedownload.altervista.org/

download illegally and hey I found it on slsk lucky me XD