Avengers: Doomsday holds a commanding lead in implied probabilities thanks to its status as the next major Avengers event, anchored by Robert Downey Jr.’s high-profile turn as Doctor Doom and Marvel’s long history of delivering record-setting opening weekends. Traders see the film’s built-in fanbase and global marketing push as decisive advantages over competitors. Spider-Man: Brand New Day sits a distant second, benefiting from the enduring Spider-Man brand but facing a shorter marketing window and less crossover appeal. Toy Story 5 and Dune: Messiah trail further behind, their animated and prestige positioning historically producing solid but not franchise-record openings. Key upcoming catalysts include the first full trailer for Doomsday and early presale data, which could widen or narrow the current gap depending on critical and audience reaction.