Galactus:Origins is the first movie in phase 3 of the Super Marvel Universe.It is the only movie with Galactus being the main character.
Meet Galactus, Devour of Worlds, a supervillain who eats anything that is in his way. When his herald, Silver Surfer tries to betray him, its time for Galactus's revenge! When Thanos attacks its time for herald and ruler to team up!
To be confirmed as Galactus
Damion Poitier as Thanos
Doug Jones as Silver Surfer