The first one was a Deviant Mutate that dwelled in Subterranea.
Giganto (Deviant Mutate)
Giganto
for Giganto in Godzilla: Monsters Unleashed
Suggested by mrq
In 1954, all the World War II superheroes had either died or retired. In a time without heroes, the newly founded SHIELD has its hands full as gigantic monsters appeared to wreak havoc around the world.