It is not real 4K in any material way due to having a final master at 2K.  Studios have upscaled the 2K image to 4K and retouched the content for your 4K UHD TV.  You should see some visual improvement over a standard 1080p Blu-ray.  Check the information below to see if the studios have upgraded the video with HDR or added immersive Dolby Atmos or DTS:X audio tracks. 4K-hdr-2 atmos
The peaceful realm of Azeroth stands on the brink of war as its civilization faces a fearsome race of invaders: orc warriors fleeing their dying home to colonize another. As a portal opens to connect the two worlds, one army faces destruction and the other faces extinction. From opposing sides, two heroes are set on a collision course that will decide the fate of their family, their people, and their home.
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