**Strong production momentum and robust presales underpin the 95.8% market-implied odds against a delay for Avengers: Doomsday.** Principal photography wrapped in September 2025 after a spring-to-fall shoot at Pinewood Studios and locations in Bahrain, leaving more than a year for post-production on the Russo brothers-directed tentpole. Recent updates show the team deep in editing with reshoots and additional photography already underway or completed, while marketing has accelerated through trailers, convention footage, and Infinity Vision certification. Domestic presales have surpassed $50 million (with global trackers exceeding $100 million), signaling sustained audience interest ahead of the December 18, 2026, release. Realistic upset scenarios remain limited but center on unforeseen post-production complications—such as extensive VFX revisions or late-stage creative adjustments—that could compress the final timeline in a film already positioned as a major MCU crossover event.