New Delhi, July 14 -- Doomsday" arrives in theaters, Disney is opening the door. Premium-format ticket sales for the film launch July 20, an unusually aggressive timeline that signals the studio's read on global audience appetite for Robert Downey Jr.'s return to the MCU as Doctor Doom. The studio has not historically opened tickets this far in advance for any release; the move places "Doomsday" in a category with a handful of cultural events that operate outside normal theatrical calendar assumptions.

Part III." The Infinity Vision branding gives Disney its own premium tier in theaters where the two formats are placed side by side, preserving the marketing distinction that IMAX has built over decades but shifting the revenue split in Di...