Clean Room # 4 (Vertigo Comics 2015)

Astrid finds herself in the unique position of interrogating someone...scratch that...someTHING truly unexpected in the Clean Room, and she may not leave there alive. Meanwhile, Chloe storms off to find another way to take down Astrid and her corporation, only to find her life spiraling farther down the drain not to mention, something from the Clean Room may have slithered out to follow her home.

Clean Room # 4 is written by Gail Simone with art drawn by  Jon Davis-Hunt and Jenny Frison.

Clean Room # 4 is a 32 page comic book in full color and rated M.