Hunter Stag III is the main antagonist in the animated film Kong: Return to the Jungle.
Hunter Stag III is a billionaire adventurer which made build a special zoo at New York. His grandfather has been part of an expedition who has met the first Kong. He made an alliance with Ramone De La Porta in order to capture every creatures in Kong Island, including Kong himself.
They succeed and install the creatures in the zoo, but Stag betrays De La Porta after revealing him that is true plan is to let the creatures escape in New York and to hunt them in the city.
After the escaping of the creatures, Stag starts to hunt Kong with his gunship, however Jason helps the gorilla to flee. Later, he confronts Kong again but the gorilla manages to destroy his gunship and Jason beats him. He is then presumably arrested.