Robert Downey Jr. & Pedro Pascal Serve MCU Role Reversal For Halloween: “Costume Swap!” With less than two months left on the Avengers: Doomsday clock, Robert Downey Jr. and Pedro Pascal swapped sides for Halloween. The pair traded off their MCU roles in a paired costume, with Downey dressing as Pascal’s character Mr. Fantastic and Pascal as Downey’s Dr. Doom,... Read the full story at Deadline: https://deadline.com/2026/10/robert-downey-jr-pedro-pascal-mcu-role-reversal-halloween-1237210827/