When does Citadel return?

Citadel is an American spy action thriller television series created by Josh Appelbaum, Bryan Oh, and David Weil for Amazon Prime Video. It stars Richard Madden and Priyanka Chopra Jonas as Citadel agents Mason Kane and Nadia Sinh, respectively, with Stanley Tucci and Lesley Manville among the main cast. The six-episode first season premiered on April 28, 2023, with its first two episodes. It was renewed for a second season, with Joe Russo announced to direct all the episodes.
The show is described as an "action-packed spy series with a compelling emotional center" It includes spinoffs set in the Italian Alps, India, Spain and Mexico.