In quite possibly one of the most amusing yet effective interviews you will ever see, somebody aka a 'fan' managed to get a hell of a lot of information about Tron 3 out of Bruce Boxleitner in a very short amount of time via Disney's D23 Expo where the actor was casually signing merchandise & looking smart. Boxleitner of course played Tron/Alan Bradley in Tron & Tron: Legacy. Even if you don't like Tron you should check out the video, its hilarious.
Props to GeekTyrant.