Instagram/Ryan Reynolds & T.J. Mill Movie Ryan Reynolds has a "really smart" idea for Deadpool 4, says T.J. Miller. Get the latest on the rumored sequel's status and cast updates. March 18, 2026 AceShowbiz - Deadpool star Ryan Reynolds reportedly has a "really smart" concept for the upcoming Deadpool 4, according to actor T.J. Miller. Although Marvel Studios has not officially announced the fourth installment, speculation about the film's future continues to build among fans and insiders alike.