December 18 has been the release date for some of the biggest blockbusters ever, including Avatar in 2009 and Star Wars: The Force Awakens in 2015. 2026 is shaping up to be the biggest day in box office history,with Avengers: Doomsday and Dune: Part Three set to clash. With both movies refusing to move their release dates, the showdown has earned its own Barbenheimer nickname: Dunesday.
Avengers: Doomsday marks the first time an Avengers movie hasn’t kicked off the summer movie season. That hasn’t slowed anticipation, as the latest MCU film has been breaking pre-sales ticket records. Doomsday could be the biggest movie of 2026, a record Marvel Studios already broke earlier this year with the release of Spider-Man: Brand New Day. Depending on where you live, you might get to see Avengers: Doomsday before anyone else.
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Digital Spy reports that Avengers: Doomsday will open in UK cinemas on Dec. 16, 2026, two days before its North American release. Avengers: Doomsday is set to open in India on December 17, one day before its official North American release. Robert Downey Jr. and Chris Evans confirmed the early India release date in a special video on X celebrating Diwali. Avengers: Doomsday will screen in India in English, Hindi, Tamil, and Telugu. See the video below.
An Avengers movie opening internationally early is nothing new, as both The Avengers and Avengers: Age of Ultron opened overseas a week before their North American theatrical release. However, to preserve the shocking twist for Avengers: Infinity War and Avengers: Endgame, Walt Disney Pictures moved up the films’ release date from Marvel’s famous first weekend of May to the last week of April. Even then, Infinity War hit two days early in the UK, while Endgame arrived one day before its North American release.
With advance screenings for Doomsday starting near the afternoon of December 17, the United Kingdom’s one-day head start isn’t much. Yet there is enough time for spoilers to potentially leak online. With directors Joe and Anthony Russo teasing that the film will feature more characters not in the official cast announcement, some audiences may want to stay off social media until they can see the movie.
Robert Downey Jr. teased that Avengers: Doomsday would move from light to dark, suggesting it could end with an Infinity War-style moment that reshapes the entire MCU. Avengers: Doomsday is the penultimate film in the MCU’s Phase Six. The saga will conclude with Avengers: Secret Wars, set for release on Dec. 17, 2027.
