Joe Otterson TV Reporter“Locke and Key” has been renewed for Season 3 at Netflix.In addition, series executive producer and co-showrunner Meredith Averill has signed an overall deal with Netflix for TV and other projects.News of the renewal comes ahead of the debut of the show’s second season, which is set to launch in 2021. Production is wrapping on Season 2 this week in Toronto, with production on Season 3 set to kick off in early 2021.