Fans can get "free tickets for an early look at 16 minutes of footage from the futuristic thriller that will be shown in more than 100 Imax 3-D theaters around the world."
The Avatar preview will happen twice on Friday, Aug. 21 at 6 and 6:30 p.m. Fans can expect an introduction from Cameron as well as some new footage not shown during the Comic-Con International convention in San Diego this past July.
Avatar will be coming to theaters on December 18.
This promotion also includes more than than 30 Imax 3-D screens overseas. The film will play in more than 225 Imax theaters when it opens Dec. 18.
Imax will be providing 3-D glasses for this event. Tickets will be doled out on a first-come, first-served basis at www.avatarmovie.com at noon PST Monday.