Kathryn Newton to Reprise Cassie Lang in 'Avengers: Doomsday' (2026)

Kathryn Newton's return as Cassie Lang confirms her ongoing role in Marvel's MCU, signaling continuity for the upcoming 'Avengers: Doomsday'. The film's release scheduled for December 18, 2026, emphasizes Marvel's long-term planning. Fans can expect her character to play a significant role in the next phase of the franchise.