When the Justice League comes upon a supernatural force against which even their powers seem useless, Batman assembles a second League of mystic heroes – the likes of Swamp Thing, the Demon, and Constantine – to help defeat this magical, otherworldly threat.
On Blu-ray Deluxe Giftset, Blu-ray Combo Pack and DVD February 7, 2017
Available to own on Digital HD starting January 24, 2017