Cinemark will add several Imax screens, including the increasingly popular (and still pretty rare) 70-millimeter film format, to its locations in the United States and South America ahead of the release of Christopher Nolan’s “The Odyssey.” Under a new agreement that expands the partnership between the theater chain and the technology company, Cinemark will build three new 70mm film projection systems and four new Imax with Laser systems in the United States. Cinemark will also upgrade its