A release date conflict is reported between 'Dune 3' and 'Avengers: Doomsday', with both films currently set to be released on the same day. Some stars, including those from 'Avengers: Doomsday', appear to be embracing the competition, declaring it 'Dunesday'. It is unclear how the simultaneous release will play out, with some outlets suggesting a potential showdown for viewers' attention.