Published May 5, 2026, 9:00 a.m. ET All the way back in September 2024, Prime Video assembled a team of journalists in London to get a sneak peak behind-the-scenes of Citadel Season 2. We were shuttled in the wee hours of the morning to Bray Studios, where were shown exquisite costumes, 3D models of sets, rubber handguns, and star Richard Madden filming an intense action sequence where he used a coffee table as a shield against constant gunfire. We learned that Jack Reynor and Matt Berry would be joining the series in new roles, an epic action sequence would take place in a Swedish supermarket, and that safety was of paramount importance. (One industrial hallway built for a fight scene came with cleverly padded walls!) However, we learned little else about Citadel Season 2, meaning exploring the thriller’s set felt like being on a top secret spy mission in and of itself.…