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.
After saving Xandar from Ronan's wrath, the Guardians are now recognized as heroes. Now the team must help their leader Star Lord uncover the truth behind his true heritage. Along the way, old foes turn to allies and betrayal is blooming. And the Guardians find that they are up against a devastating new menace who is out to rule the galaxy.