However,The Fantastic Four: First Steps' second trailer confirms that Galactus is able to size-shift.

As Galactus shrinks, he would match the Avengers Tower’s 1,130 ft (344m).

Instead of ingesting planets through his mouth, Galactus absorbs their energy, destroying them in the process.

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Galactus also doesn’t need to be larger than a planet for consume it.

He can drain a planet’s energy while standing on it, regardless of his current size.

Cast

Upcoming MCU Movies

Hulk and Giant-Man see Galactus arrive in The Fantastic Four First Steps

Custom image by Nicolas Ayala

Pedro-Pascal’s-Reed-Richards

Custom image by Ollie Bradley

SR MCU Galactus Height Chart

Custom image of Galactus reaching out in Marvel comics in front of his shadow looming in Fantastic Four First Steps

Custom image by Ollie Bradley

Headshot Of Pedro Pascal In The 30th Annual Screen Actors Guild Awards

Headshot Of Vanessa Kirby

Headshot Of Joseph Quinn In The Premiere Of A Quiet Place: Day One

Headshot of Ebon Moss-Bachrach

Thunderbolts (2025) Official Poster

Movies

The Fantastic Four: First Steps

Marvel Cinematic Universe