Could “Dunesday” Be the Next Barbenheimer? Fans Think So

Dunesday refers to the scheduled release date of two blockbusters, Avengers: Doomsday and Dune: Part Three. Both set to open December 18th, 2026, the event is similar in nature to Barbenheimer. News of the shared release date sparked conversation on various social media platforms, such as Reddit, X / Twitter and TikTok, as well as the creation of fan material, photoshopped movie posters and memes.