The 41 rare 70mm IMAX screens are booked solid through September. Top analyst Paul Dergarabedian sees a "marathon, not a sprint."

The film could decline as little as 32 percent, a rare hold for a blockbuster movie.

Christopher Nolan's 'The Odyssey' continued its dream run at the Indian box office. After a stellar first week, the mythological epic witnessed good growth on its second Friday,…