Before revision: Initially being teased in Kong: Skull Island and Godzilla: King of the Monsters, a full expedition into the Hollow Earth is a primary focus of Godzilla vs. Kong and it's sequel, Godzilla x Kong: The New Empire.
After revision: Initially being teased in Kong: Skull Island and Godzilla: King of the Monsters, a full expedition into the Hollow Earth is a primary focus of Godzilla vs. Kong and its sequel, Godzilla x Kong: The New Empire.