Superhero specialist filmmaker James Gunn has sold a secluded estate nipped away the rolling foothills above Malibu’s Big Rock Beach for not quite $6.9 million. Now at work on the upcoming “Suicide Squad” sequel and the long-planned “Starsky and Hutch” reboot, the “Guardians of the Galaxy” franchise filmmaker acquired the showbiz-pedigreed retreat almost three years […]