Before I begin, I did not make this. This is made by another user. This tutorial shows how to make a "Tron Legacy"-type of opening. I felt like sharing it in case anyone ever wanted to do a modern "Tron" fan film, at least someone would have a way to create an opening credit.
The Final Result:
http://www.youtube.com/watch?v=1xjmVUkzzoM
Tutorial:
Part 1:
http://www.youtube.com/watch?v=KlntKZ5FKMc
Part 2:
http://www.youtube.com/watch?v=zSizuMhVNo0
Part 3:
http://www.youtube.com/watch?v=ZBpzp_tJoSU