India, June 4 -- Hollywood actor Robert Downey Jr just gave Marvel fans a thrilling glimpse into the Marvel Cinematic Universe's next era, promising a villain that will completely redefine the franchise. The Oscar winner made a surprise appearance alongside directors Joe and Anthony Russo at a special SXSW 2026 screening of Avengers: Infinity War, quickly shifting the spotlight toward his highly anticipated turn as Doctor Doom in the upcoming Avengers: Doomsday.

As the crowd erupted, Robert leaned into the moment's nostalgia, jokingly reminding everyone of his massive character pivot. "Hi, I used to play Tony [Stark] and then you lost me right after this one," he joked.

The momentum behind Avengers: Doomsday is building fast, but Robert...