Viz plans to present Berserk: The Golden Age Arc Movie 2: The Battle for Doldrey at its San Francisco New People Cinema on May 11th and add it to their Neon Alley streaming service on the same date. Retailer Right Stuf is now listing that the follow-up Blu-ray/DVD release is planned for August 6th.
From Viz's description of the second part of the Studio 4℃ produced anime movie trilogy:
For three years, Guts believed his mission was to pursue Griffith’s dream together with him. But in order to become Griffith’s equal and truly be called his friend, Guts realizes he will have to leave the Band of the Hawk. At the same time, a bloody battle to capture the impenetrable Fortress of Doldrey from the Empire of Chuder is about to begin. The Band of the Hawk will face an army 30,000 strong!