- This film is the fourth part of the monster movie universe between Legend and Warner.
- As early as the 1962 version of "King Kong vs. Godzilla", the famous scene of "nucleic acid detection" was previewed in advance.
- The actor Kelly Hottel, who plays Gia, comes from a deaf family, and there are four generations of deaf people in her father's family.
- Gaming company BetOnline uses geo-tagged Twitter data to show that Godzilla was selected by 41 states as the winner of the decisive battle, and only 9 states voted for King Kong to win the showdown of the century.
- In the film, King Kong seems to be airdropped to the South Pole. This scene is a tribute to the image of King Kong being airdropped in the Japanese version of "King Kong vs. Godzilla", but the old version uses "balloons" instead of planes.
- In the final battle, King Kong was defeated by Godzilla's attack and his life was dying. And Nathan and Irene thought that they could use the power of Apex’s spaceship "enough to supply Las Vegas for a week" to give King Kong a shock cardiopulmonary resuscitation, thus successfully resurrecting King Kong full of blood. Although this setting seems unreliable, it is actually a tribute to "King Kong vs. Godzilla".
- In order to explore the void in the center of the earth, Apex Company created a "ground fly" in this part to resist the reversal of gravity when entering the space in the center of the earth. The design of this aircraft also comes from the Godzilla series, from the 1989 "Godzilla vs. Biolanti", in which humans created the "Super X2" in order to deal with Godzilla.
- During the Hong Kong War, King Kong avoided Godzilla's sight and climbed to the top of the building, fully exerting his climbing skills to complete a sneak attack. However, this passage is a tribute to the classic scene of King Kong climbing the top floor of the Empire State Building in "King Kong".
- King Kong and Godzilla's first encounter at sea. After the defeat, the human fleet and King Kong escaped by shutting down all power and expressing their sincerity by "laying down their weapons". This episode is exactly the same as when the sea fortress organized by the emperor in "Godzilla 2: King of Monsters" was approached by Godzilla, Mark Russell asked to disarm and open the protective cover.
Godzilla vs. Kong behind the scenes gags
Godzilla vs. Kong quotes
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Bernie Hayes: [an Apex employee was about to eat an apple] No, don't eat that! It's incredibly unhealthy. It's just all the GMOs. Growing a second head could be useful. You have to let me know. Because me, myself? I can barely handle the one I got.
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Bernie Hayes: Hello, loyal listeners. Welcome to TTP, Titan Truth Podcast. Episode number 245. Today is the day. Maybe the last podcast I ever record. And look, I know I said that last week and maybe the week before and a few other times. But, look, this is the point. After five years of deep cover at Apex Cybernetics, I'm finally taking my shot. Something bad is going on here. I don't know what it is, but I'm about to walk in and download hard evidence and expose a vast corporate conspiracy. Yeah, you can call me a whistleblower, but I ain't just whistling. I mean, this is more than a leak. It's a flood. And believe me, this flood is gonna wash away all of Apex's lies. You can believe that.