Sentry actor Lewis Pullman reveals how Thunderbolts* will turn his MCU villain into a hero before the titular anti-heroes face Doctor Doom in Avengers: Doomsday. As confirmed by Avengers: Doomsday's cast announcement, Lewis Pullman will reprise his Sentry role in Avengers: Doomsday alongside almost every other Thunderbolt actor. In line with theories that Taskmaster will die in Thunderbolts*, Antonia Dreykov actor Olga Kurylenko is the only Thunderbolt star missing from Avengers: Doomsday's cast.