**Avengers: Doomsday leads trader sentiment for the biggest 2026 opening weekend primarily due to its explosive presales momentum and Avengers-level event status.** Domestic advance tickets have already surpassed $55 million with more than three months until its December 18 release, with over 70% in premium formats, outpacing comparable points in Spider-Man: Brand New Day’s rollout. Disney executives have highlighted unprecedented fan demand, supported by record trailer views and cast reveals. Spider-Man: Brand New Day, which opened to a franchise-record $360 million in July, remains a close second as the current benchmark, though its theatrical run has shifted to home entertainment. The Hunger Games: Sunrise on the Reaping (November 20) and Dune: Messiah (December 18) register negligible implied odds, reflecting far more modest tracking and franchise expectations. Upcoming catalysts include final presale surges and holiday weekend competition between Doomsday and Dune.