Most of you must remember the film tron....a science fiction film by disney starred by Jeff Bridges and Bruce Boxleitner as tron..It was the first movie from a Major studio used Computer Graphic extensively
At the 2008 San Diego comic con a premilinary teaser trailer was shown as a suprise convention guest while the trailer did not confirm that a Tron sequel was in production,it showed that disney was serious about the sequel..
On July 23, 2009, Disney revealed the current title at their Comic-Con 3D panel. Jeff Bridges explains that the title is in reference to the story’s theme: “It’s basically a story about a son’s search for his father." They also showed a trailer similar to the one shown at Comic-Con 2008, with updated visuals. At the time, the film just wrapped production and they had a year of post production ahead of them. Because none of the footage from inside the computer world was finished, they premiered concept images from the production. Art included the recognizer, which is evolved from the original film. Concept photos were also shown of Disc Wars, which has also evolved from the original film into a 16-game tournament. The arena is set-up so that the game court organically evolves, and all 16 games are going on at the same time. The boards also combine in real time until the last two Disc warriors are connected.light cycle will be making return...
so this is the first tron(1982)trailer
and the official comic con teaser trailer