After what Corey just said A.I. hated him. So when A.I. went undrafted he decided to work really hard to play in the Team USA Showcase against Corey.
Go back to college, man your not ready.
A this part of the game you get decide what build you want for your character. Like do you want a Shooting Guard or a Small Forward. Then, you chose what hand is dominant for them either left or right.
Midway through the game the gives you an opportunity to dunk on Corey and you get to pick what kind of dunk you can do.
After you dunk on him you get a chance to either help Corey Harris get up, or celebrate towards the crowd.
The Prelude ends with you walking out of a cab and looking around L.A.