Frank Grillo jokes that he was almost fired from Marvel for revealing spoilers, but is he actually coming back?

Superhero fans know that the Marvel Cinematic Universe is constantly releasing new content, both in theaters and via streaming for those with a Disney+ subscription. And while fans theorize about what might happen in upcoming Marvel movies, the actors are tasked with keeping the shared universe's secrets and adhering to Marvel's strict security protocols. Frank Grillo recently joked that he was almost fired from Marvel for giving away spoilers, but is he actually returning as Crossbones?

Fans who have watched Marvel movies in sequence for years have been able to witness Frank Grillo's interesting tenure in the MCU. After his debut as Brock Rumlow in Captain America: The Winter SoldierIt turned out that he was actually a HYDRA spy. And although he apparently fought in the opening battle of Civil Warhe shocked fans by appearing during Final's Time Heist. Speaking to ComicBook, the 59-year-old actor spoke about his penchant for spilling Marvel secrets, saying: