Robert Downey Jr Eyes Box Office Clash With Timothee Chalamet in 2026 for “Dunesday”
Robert Downey Jr. is preparing for a cultural showdown with “Barbenheimer” in 2023. He has suggested a box office showdown titled “Dunesday” that pits his eagerly anticipated return to Marvel Cinematic Universe Avengers Doomsday, against Timothee Chalamet’s sci-fi adventure Dune: Part Three. The two blockbuster movies are scheduled to be released on the big screen in 2026. This will create a huge holiday competition.
When the two Hollywood celebrities met recently in Los Angeles for a screening of Chalamet’s new film Marty Supreme, they came up with “Dunesday”. Robert Downey Jr., who won the Oscar recently for his performance in Oppenheimer, appears eager to duplicate the enormous success that was seen during summer 2023 when Greta Gerwig’s Barbie and Christopher Nolan’s Oppenheimer were both released simultaneously. This event was a record-breaking success and showcased the diverse nature of cinema.
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Timothée Chalamet and Robert Downey Jr. in a ‘Marty Supreme’ Q&A tonight in Los Angeles.
— timothée chalamet nation (@timotheenation) January 15, 2026
“We both have films opening on December 18th, and we decided to coin a name for it. We’re thinking 'DUNESDAY'.” pic.twitter.com/2DLAecKojv
Robert Downey Jr. addressed the conflicting schedules with a sense of humor and a strategic outlook. Robert Downey Jr. said, “We’re both opening films on December 18, and we decided we would coin the term ‘Dunesday.’. We’ll find out if we are still friends then.
Robert Downey Jr. is returning to the franchise that defined his career with a new twist. He will play the villain Doctor Doom in Avengers: Doomsday. This role involves multiple universes. This film will be the MCU’s biggest tentpole. The cast will reportedly include Robert Downey Jr., as well as returning actors and some new ones, including Anthony Mackie and Sebastian Stan. Other stars are Paul Rudd and Tom Hiddleston.
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The other half of “Dunesday’s” ticket contains Dune Part Three, based on Frank Herbert’s novel Dune Messiah. Paul Atreides will be the main character in this film. He is battling with his power and its consequences. Timothee Chaumet will return to the ensemble of Zendaya and Rebecca Ferguson, as well as Josh Brolin and Javier Bardem. Jason Momoa will reprise his role in the third part, which also features Florence Pugh, Austin Butler and other talented actors. The proposed double feature could be the most successful holiday movie of 2026, with both films promising to have colossal star power and a massive scale.
Marvel Studios is a Walt Disney Studios division that has created the Marvel Cinematic Universe. This franchise, which was the most successful film series of all-time, is produced by Marvel Studios. The studio released more than 30 films since 2008, which redefined the superhero genre as well as global blockbuster films.
