Josh Brolin is definitely down to reprise the role of The Mad Titan in the MCU, but Thanos has to fit for the actor to return. The Oscar-nominated performer (Milk | Best Supporting Actor) had the pleasure of playing two iconic villains on the big screen for Marvel, thanks to his portrayals as Cable in Deadpool 2 and Thanos in Avengers: Infinity War and Avengers: Endgame. And in a brand-new interview with Collider, Brolin broke down what it will take for him to come back, most likely in Avengers: Doomsday and/or Avengers: Secret Wars: