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.
Katniss Everdeen voluntarily takes her younger sister's place in the Hunger Games, a televised competition in which two teenagers from each of the twelve Districts of Panem are chosen at random to fight to the death.4 Film Collection announced by HMV UK