Audio:

English DTS-HD MA 5.1
English LPCM 2.0 Mono
German DTS-HD MA 5.1
German LPCM 2.0 Mono

Subtitles:

English, German

Limited Edition 3-disc Mediabook featuring the film on 4K UHD (in 4K Ultra HD with Dolby Vision and HDR10) and Blu-ray, plus a bonus Blu-ray with extensive extras.

Bonus:
Audio commentary by writer and actor Sylvester Stallone—audio commentary by legendary boxing trainer Lou Duva and commentary by Bert Sugar—audio commentary by director John G. Avildsen, producers Irwin Winkler and Robert Chartoff, actors Talia Shire, Carl Weathers, and Burt Young, as well as the inventor of the Steadicam, Garrett Brown - Original theatrical trailer, German theatrical trailer, teaser, TV spots

Bonus Blu-ray:
Behind the Scenes with John G. Avildsen - “Make-Up! Art and Design” with Michael Westmore - Stallone Meets Rocky - “Stakkato: Notes of a Composer” with Bill Conti - The Ring of Truth - Three Rounds with Legendary Boxing Coach Lou Duva - Amateur Footage from the Filming (1975)—commented on by director John G. Avildsen and production manager Lloyd Kaufman - Interview with a Legend: Bert Sugar, Author/Commentator and Historian - 'The Opponents' - In the Ring: A Three-Part Making-of - Steadicam: Then and Now – with Garrett Brown - In Memory of Burgess Meredith - In Memory of James Crabe - Video commentary with Sylvester Stallone - Sylvester Stallone on "Dinah!" (1976)