The 2022 release calendar is starting to fill up after the Lunar New Year holidays and plenty of stars from last year's hit shows are mulling their returns to the small screen. Among the latest shows to join the production pipeline are a monster set in the Japanese colonial era in Korea, a new season of an acclaimed sci-fi action-noir, and several star-driven romantic dramas. Dr Brain , the debut Korean drama series of Apple TV+, has reportedly been renewed for a second season. Parasite actor Lee Sun-kyun is expected to return as the lead, but since Kim Jee-woon, who…