'Supergirl' Goes Digital July 28, Hits 4K and Blu-ray September 8

"Supergirl," the second film in James Gunn's new DC Universe, will be available to buy or rent digitally from July 28. Physical media editions — 4K, Blu-ray, and DVD — arrive on September 8. Collider has shared an exclusive behind-the-scenes sneak peek to mark the occasion.