The Old Guard tells of a small group of soldiers, led by a woman named Andy (Theron), who are inexplicably immortal and have been working as mercenaries through the ages.
According to Deadline, Academy Award-nominated actor Chiwetel Ejiofor have also been cast in the adaptation.
Marc Evans, Theron and her Denver and Delilah principals Beth Kono and AJ Dlx will also produce.
The Old Guard was created by Greg Rucka and artist Leandro Fernandez and tells the story of old soldiers who never die…and yet cannot seem to fade away.