TMDb/Avengers: Doomsday TV Tom Hiddleston returns as Loki in Avengers: Doomsday. See the God of Mischief face Doctor Doom in the Multiverse Saga finale. May 4, 2026 AceShowbiz - Tom Hiddleston is set to reprise his iconic role as Loki in the upcoming Marvel Cinematic Universe blockbuster Avengers: Doomsday, which promises to deliver a thrilling conclusion to the Multiverse Saga. Directed by MCU veterans Joe and Anthony Russo, the film will pit heroes across various universes against the formidable villain Doctor Doom, played by Robert Downey Jr.