Maia Simmons is a major antagonist of the 2021 crossover film Godzilla vs. Kong, the fourth installment of the MonsterVerse franchise. She is the daughter of Walter Simmons and the second-in-command of Apex Cybernetics who was chosen to accompany Monarch on its mission to relocate Kong to and explore the Hollow Earth so that Apex can extract its energy to power Mechagodzilla in order to defeat Godzilla.