Galactus is a destructive force in The Fantastic Four: First Steps, but the Sacred Timeline has characters who could potentially beat him.
The film features a version of Galactus, played by Ralph Ineson, who is faithful to his comic book origins as a being of immense cosmic power and a threat to all life.
Galactus is a force of nature, born before the universe itself and cursed with a relentless hunger that drives him into a never-ending quest for sustenance through the destruction of inhabited worlds.
This portrayal of the Devourer of Worlds as a formidable foe highlights the scale of the threat he poses.
Author's summary: Galactus is a powerful villain in The Fantastic Four.