Joe Manganiello reflects on Ben Affleck’s scrapped ‘Batman’ film and his health

Entertainment Tonight reports Joe Manganiello was heartbroken when Ben Affleck’s ‘Batman’ film was scrapped. He credits being cast as Deathstroke with giving him a reason to fight while he was battling an undiagnosed autoimmune disease. Now symptom-free, the 49-year-old discusses his health and career in ‘Bloodlines: A Memoir,’ which Entertainment Tonight said was out as of October 13, 2026. Entertainment Weekly says the memoir details his private seven-year battle and search for a diagnosis.