As Deadlinereported earlier this month, theChicago Firewriters room opened the week of October 4.
According to sources, the first batch of scripts for the new season feature Kinneys Kelly Severide.
Despite rampant speculation, the fan favoritedid not come back for the Season 11 finale.
Taylor Kinney as Kelly SeverideArt Streiber/NBC/NBCU Photo Bank via Getty Images
Severide last appeared in the February 22 episode titled Run Like Hell.
Season 11 executive producer/co-showrunner Andrea Newman has been named sole showrunner for the upcoming 12th season.
Rosy Cordero contributed to this report.
