thats a good dream you have there :p
Yeah your composing is not too shabby!
Your mix and sound banks are not worth the composition though....
I really dont like the drums, they sound very out of place and not real at all.
Here's a tip. Visit school who do graphic design etc. and offer them your help. Cause believe me they know shit about music or audio! haha.
I'm in a similair position as your the only thing is that I already work with 3D artists from time to time and work as a audio engineer in various studios. Just start talking to people (networking) and one thing will lead to another.