Marvel Studios has confirmed the first full Avengers: Doomsday trailer will debut during the Hall H panel at San Diego Comic-Con on July 25, with online release expected shortly after and tickets going on sale July 20. This timing drives current trader focus, building on the April CinemaCon footage that introduced Robert Downey Jr. as Doctor Doom alongside X-Men, Avengers, and Fantastic Four characters. Anticipation centers on potential dialogue reveals, multiverse teases, or character returns that could echo past MCU lines or establish new arcs ahead of the December 18, 2026 release. The 165-minute runtime announcement adds context for trailer pacing expectations, while fan speculation around precursor announcements like Steve Rogers’ return shapes narrative momentum. The closely watched SDCC event remains the key near-term catalyst likely to shift sentiment based on any standout quotes or reveals.