Marvel Studios turned 7,000 Hall H seats into Latveria on July 26, 2026, outfitting every attendee with a Doctor Doom mask and cape as Robert Downey Jr. addressed the Comic-Con crowd in his Doom accent and told them to suit up. The panel closed out San Diego Comic-Con's four-day run (July 23–26) with casting reveals, a surprise cameo, and the confirmation that Avengers: Doomsday has finished shooting (The Hollywood Reporter).

Ryan Reynolds crashed the panel dressed as Deadpool, disguised as a cosplayer named Ricky, and asked whether Doomsday production had started. Downey, in character, replied: "It's in the can, bro." The exchange confirmed what Marvel had not previously stated publicly: principal photography on Avengers: Doomsday is complete. The film is scheduled for an exclusive theatrical release on December 18, 2026, according to Disney's corporate newsroom (The Walt Disney Company).

The first Doomsday trailer had debuted the Monday before the panel, drawing record views but a mixed and unenthusiastic reaction, per The Hollywood Reporter. Inside Hall H, Marvel countered with an exclusive extended look that no camera phones could capture — footage shown only to the room. In one revealed moment, Pedro Pascal's Reed Richards turns and says, "Victor, did you do this?!"

Pascal shared the main stage with Chris Evans, Hayley Atwell, and Downey Jr. Then a hidden stage at the back of Hall H opened, and cast members from Thunderbolts* and the 2000s X-Men films appeared — a practical-effects stunt that sent the room to its feet (The Hollywood Reporter).

Two new films joined Marvel's upcoming calendar. David Jonsson was announced as the son of T'Challa, taking the mantle of Black Panther in Black Panther 3, which is dated for December 15, 2028. Ryan Gosling was cast as Ghost Rider in a new Marvel Studios movie, with Shawn Levy directing and a targeted 2028 release (The Hollywood Reporter).

On the convention floor, Marvel's booth displayed a new Avengers: Doomsday logo (Deadline via X) alongside Latverian-themed costumes and outfits for Sam Wilson, Yelena Belova, Gambit, Cyclops, Sue Storm, and Thor. A "Path to Doomsday" player-versus-environment game mode, based on Avengers: Age of Ultron, launches July 30 (Marvel.com).

Disney's official press release, published July 25, framed the panel around three pillars: Doomsday, Ghost Rider, and Black Panther 3 (The Walt Disney Company). Marvel's own recap went live the same day as the panel under the title "All the Marvel Studios News from Hall H at San Diego Comic-Con 2026" (Marvel.com).

For fans, the takeaways are concrete: Doomsday is shot and locked for Christmas 2026, the next Black Panther has its lead and a date, and Ryan Gosling is riding a flaming motorcycle into the Marvel Cinematic Universe.