HOLLYWOOD, April 9 -- The upcoming releases of Dune: Part Three and Avengers: Doomsday are gearing up for a high-stakes showdown at the holiday box office, with Warner Bros. taking a bold step by launching IMAX 70mm ticket sales months in advance.

Read More: Avengers: doomsday set to break marvel records

By opening pre-sales so early, Dune 3 has effectively locked premium-format screens, signaling that its December 18 release date will not be shifted. This move has generated a frenzy among fans, with select theaters selling out within minutes and resale prices soaring near $1,000. Limited-edition filmstrips tied to early purchases have further fueled collector interest.

IMAX exclusivity has long been central to the Dune brand's success...