Una de las cosas más interesantes es que las escenas eliminadas y el final alternativo vendrán también en 4K y HDR:

Special Features and Technical Specs:

NEWLY RESTORED IN 4K FROM THE ORIGINAL CAMERA NEGATIVE, WITH HDR10
NEW DOLBY ATMOS TRACK + the original theatrical SDDS mix presented as 5.1 + original theatrical stereo audio
Audio Commentary with Director John McTiernan
Deleted & Alternate Scenes (presented in 4K with HDR10)
Alternate Ending (presented in 4K with HDR10)
"Big Gun" Music Video by AC/DC
Original Behind-the-Scenes Featurette
Theatrical Teaser
Optional English SDH subtitles for the main feature
https://www.blu-ray.com/news/?id=28260

Un saludo.