Get ready for Doomsday: Avengers Doomsday takes on Dune 3 in December. Description
Robert Downey Jr. wants Christmas 2026 to be a ‘Dunesday’ box office event like ‘Barbenheimer’. He talked about the clash with Timothée Chalamet’s ‘Dune: Part 3’ and ‘Avengers: Doomsday’.

Actor Robert Downey Jr. talks about reprising the ‘Barbenheimer’ show with the Russo Brothers. Avengers: Doomsday and Denis Villeneuve’s Dune: Part 3 in 2026. In a Q&A session with actor Timothée Chalamet, he confirmed about the ‘Dunesday’ event.
As Avengers: Doomsday And Dune: Part 3 Set to be released on December 18, 2026, Downey Jr. coined the term to reflect the upcoming box office clash he is aiming for. He met Chalamet in Los Angeles on Wednesday for a special screening of Marty Supreme. A clip of the event was shared by a fan page of Chalamet.
Speaking at the question-and-answer session, Downey Jr. said, “We both have movies coming out on December 18, and we decided to call it ‘Dunesday.’ We’ll see if we can still be friends until then.”
The latest teaser for Avengers: Doomsday shows a crossover between the two Fantastic Four: First Steps Black Panther characters and the Wakandians. The teaser features Letitia Wright as Shuri who is carrying out her duties to serve the kingdom of Wakanda alongside Winston Duke aka M’Baku and Tenoch Huerta Meza aka Namor. The video ends with Duke shaking hands with Ben Grimm, aka The Thing, played by Ebon Moss-Bachrach.
The first teaser for the film shared by Marvel Studios gave fans the first glimpse of the X-Men’s integration into the Marvel Cinematic Universe and promised important crossover moments. One highlight is the dramatic introduction and appearance of the X-Men, hinting at their long-awaited impact on the MCU story.
Timothee Chalamet and Robert Downey Jr. at the ‘Marty Supreme’ quiz in Los Angeles tonight.
“Both of our films are scheduled to release on December 18 and we have decided to decide on a name for it. We are thinking of ‘Dunsday’.” pic.twitter.com/2DLAecKojv– Timothee Chalamet Nation (@timotheenation) 15 January 2026
Also, actor Chris Hemsworth is returning in Thor Avengers: DoomsdayMarvel Studios surprised fans with the return of Chis Evans as Steve Rogers in the superhero movie.
The teaser puts Steve Rogers firmly at the center of the story, and points to a new reason to rejoin the fight. This time, Rogers is shown grappling with personal responsibilities, with the story revealing that his life as a father will play a significant role in shaping the conflict ahead.
Avengers: Doomsday It is directed by Joe Russo and Anthony Russo and also stars Danny Ramirez, Sebastian Stan, Paul Rudd, Tom Hiddleston, Pedro Pascal, Vanessa Kirby, Joseph Quinn, Florence Pugh and others.
