The Japanese video release of Godzilla Vs. Kong has been announced via both the Godzilla Store and Amazon Japan. Both are basically the same with one difference an exclusive SteelBook version from Amazon, they both have multiple extras including a Godzilla and Kong Movie Monster figure exclusive set which features Godzilla molded in clear blue vinyl (with paint applications over it including metallic blue on the fins). There is two 4K versions (with and without bonuses), a regular Blu-ray, and DVD (note Amazon list other versions but it is unclear of the exact difference). Updated with Rakuten bonus items and link. Check out the details and images below.

GODZILLA VS. KONG SPECIAL SET
Amazon limited goods "Japan Original Steel Book" included! (Amazon only, SteelBook version)
Early purchase bonus "Original A4 Clear File" included! (Different styles, both Amazon and the Godzilla Store)
Early purchase bonus Godzilla Store Limited Monarh Metal Reel Keychain (Godzilla Store only)

Destruction God Godzilla vs Guardian God Kong
Earth's Largest The ultimate confrontation! Which is the strongest!

The movie monster series "GODZILLA" and "KONG", which are limited to this product, are included in a special package. The perfect and strongest specification that includes the bonus disc and 12 visual cards that I explained!

Main story DISC 4K Ultra HD Blu-ray
Main story 113 minutes / 3 layers (BD100G) / 4K 2160p / Dolby Vision / HDR10 +
Audio :( 1) English (original) Dolby Atmos (2) English (original) Dolby TrueHD 5.1ch (3) English (original) Dolby TrueHD 2.0ch (4) Japanese dubbing Dolby TrueHD 5.1ch (5) Barrier-free Japanese voice guide Dolby TrueHD 2.0ch (6) English Audio Commentary Dolby TrueHD 2.0ch
Subtitles: (1) Japanese Subtitles (2) Japanese Subtitles (3) Barrier-Free Japanese Subtitles (4) Audio Commentary Subtitles

Main DISC Blu-ray
Main story 113 minutes / 2 layers (BD50G) / 1080p High Definition
Audio: (1) English (original) Dolby Atmos (2) English (original) Dolby TrueHD 5.1ch (3) English (original) Dolby TrueHD 2.0ch (4) Japanese dubbed Dolby TrueHD 5.1ch (5) Barrier-free Japanese Audio Guide Dolby Digital 2.0ch (6) English Audio Commentary Dolby Digital 2.0ch
Subtitles: (1) Japanese Subtitles (2) Japanese Dubbing Subtitles (3) Barrier-Free Japanese Subtitles (4) Audio Commentary Subtitles

Main DISC
Main DVD 113 minutes / Single-sided dual layer / 16: 9
Audio: (1) English (original) Dolby Digital 5.1ch (2) English (original) Dolby Digital 2.0ch (3) Japanese dubbing Dolby Digital 5.1ch (4) ) Barrier-free Japanese audio guide 2.0ch (5) English audio commentary Dolby Digital 2.0ch
Subtitles: (1) Japanese subtitles (2) Japanese dubbing subtitles (3) Barrier-free Japanese subtitles (4) Audio commentary subtitles

Bonus video
Notice editing (1 type of Japanese version special news, 2 types of Japanese version theater notice, 3 types of Japanese version TV spot)
Bonus audio
Audio commentary (Director Adam Wingard)

Bonus DISC Blu-ray
68 minutes / 1 Layer
voice: English (original) Dolby True HD 2.0ch
Subtitle: Japanese subtitle

Contents
・ Godzilla attack
・ Godzilla phenomenon King of monsters
・ Leaving Kong's hometown
・ Discovering Kong's underground cavity
・ Look at Kong's palace
・ Eighth Wonder of the World
・ Appearance of Mechagodzilla
・ Battle in the 1st round Sea
・ 2nd round either loses
・ Monster tag team King and God

Special Bundled Bonus
Movie Monster Series GODZILLA VS. KONG SPECIAL SET Includes a soft vinyl figure limited to the movie "Godzilla vs Kong" from the "Movie Monster Series" that is three-dimensional with realistic modeling and skillful coloring! The whole body molded in blue is painted black, the back fin is painted pale and shining metallic blue, and the destructive god "GODZILLLA" that imaged the time of heat ray radiation and the ax that appears in the play are newly shaped and give off overwhelming power. Guardian god "KONG" with Battle Axe. Package-limited special figure set that can reproduce the ultimate confrontation at hand!
Overall height: Approximately 160 mm / Product material: PVC / Target age: 3 years old and over / Manufacturer: Bandai Co., Ltd.

Release date: Nov 3rd, 2021.
Retail price: Amazon only 4K SteelBook Set 17,600 yen, 4K Set 15,400 yen, 4K (without bonuses, no DVD) 7,920 yen, Blu-ray 5,280 yen, DVD 4,180 yen (there also appears to be an Amazon SteelBook without the figures for 10,120 yen).
​Godzilla Store pre-order here, Amazon pre-order here, and Rakuten pre-order here.