Director James Mangold was unable to send a screen hero out in a blaze of glory in 2023’s “Indiana Jones and the Dial of Destiny,” but he stays in the 1960s for another tale of exploration. “A Complete Unknown” isn’t exactly the story of Bob Dylan’s introduction to the world of music, as it features very little of the subject’s personality, which is probably the way he wants it. Mangold attempts to cover for such elusiveness by concentrating on Dylan’s love of music and his tolerance for romantic partners, finding the helmer looking to recreate his success with 2005’s Johnny Cash bio-pic, “Walk the Line.” “A Complete Unknown” is a well-produced endeavor, capturing the times before they began a-changing, but as a study of Dylan’s life during his path to going electric, the picture loses its way, transforming into a shapeless examination of a cold human being and all the ladies who, for some reason, couldn’t resist him. Read the rest at Blu-ray.com