Summit Entertainment have confirmed that US/Canadian fans will be able to see the entire Twilight Saga with an early showing of Breaking Dawn Part 2:
Summit Entertainment Announced the following:
The marathon will take place on Thursday, November 15, 2012, at theaters across North America (US and Canada). The marathon will allow fans to see all 4 previous movies in the Saga back-to-back, leading into 10pm screenings of BREAKING DAWN – PART 2, all for one price.
Prices will vary and be set by the theaters, and locations & showtimes for the marathon will be available at the same time that showtimes are available for individual performances of BREAKING DAWN – PART 2. Marathon ticket holders will be treated to exclusive interstitial content played in between the films, and a special event-only lanyard.