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5 Most Powerful Alien Races in Marvel Comics, Ranked

Itโ€™s well-known that the humans of Marvel Comics arenโ€™t alone in the universe. Heroes like the Fantastic Four, the Guardians of the Galaxy, and the Silver Surfer are constantly meeting strange and powerful aliens from across the cosmos. In fact, the Guardians of the Galaxy, with a few exceptions, and the Silver Surfer are aliens. Marvel aliens range from the benevolent to the genocidal. Either way, alien races that are capable of interstellar travel already possess technology leagues beyond anything humans are capable of. Furthermore, some alien species possess abilities so potent that they transcend mortal origins and are all-powerful, ancient cosmic beings responsible for shaping the Marvel Universe as it is today.

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The prospect of aliens coming to Earth always carries the existential dread of encountering hostile beings with powers and technology far beyond those of humanity. And these are the mightiest alien races in the Marvel Universe. This list will cover these Marvel alien races as a whole, not specific outliers who possess abilities not found among the rest of their people.

5) Poppupians

Image Courtesy of Marvel Comics

To survive their harsh and dangerous homeworld, the Popuppians evolved the ability to control their atomic structure. All Popuppians can shapeshift into anything that they can imagine, with no defined limit. They can shrink to the subatomic level or grow to the size of Galactus. The raceโ€™s most well-known member, Impossible Man, is impervious to almost all damage and can copy other peopleโ€™s powers. He has been shown capable of cloning himself 9 billion times, with each clone having his powers. Popuppians are resistant to telepathy, magic, and even reality warping. While Popuppians donโ€™t tend to use their abilities for overt violence, their invincibility and unrivaled shapeshifting prowess make them among the strongest races in the Marvel Universe.

4) Builders

The Builders, an Engineer, and an Aleph planning the genocidal war against the forces of the Marvel Universe
Image Courtesy of Marvel Comics

Allegedly, the very first species, the Builders, were created by the all-powerful Enigma Force that fuels the hero, Captain Universe. Having existed for billions of years, the Builders live up to their name by having developed many systems to govern space and time, as well as by forming several powerful alien races, including the Alephs, Ex Nihili, Curators, and Abyssi. Builders were able to create these races in part because of their technology and mastery of genetic manipulation. A single Builder forced an entire Annihilation Wave, which consists of billions of aliens, into eating themselves. Their starships are also capable of effortlessly obliterating planets. The Builders were one of the greatest threats the Avengers ever faced.

3) Watchers

Image Courtesy of Marvel Comics

The near omniscient Watchers may have taken a vow of non-interference as they observe and record everything that occurs within the multiverse, but their power is undeniable. One of the first races in the universe, the Watchers possess abilities that rival those of gods like Odin and Zeus. Watchers can manipulate time, space, minds, and energy with ease and have been compared to cosmic beings such as Galactus and the Celestials. They have also developed some of the most advanced and destructive technology in existence, including the Ultimate Nullifier, which can instantly eradicate gods, galaxies, and universes. Although the Watchers rarely get involved, the moment one like Aron goes rogue, the entire universe trembles with fear.

2) Celestials

The Celestials in Marvel Comics
Image Courtesy ofย Marvel Comics

The power of the Celestials is so immense that they can easily be mistaken for gods. Born from the First Firmament, the gigantic and near omnipotent Celestials existed during the original universe. The Celestials rebelled against the First Firmament and shattered it into countless pieces, creating the multiverse. Since then, the Celestials have lived through every subsequent incarnation of the multiverse and have performed experiments on numerous alien races. On Earth, they were responsible for the creation of the Eternals, Deviants, and all mutantkind. Celestials are beings of living energy who transcend time and space. They can resurrect the dead, summon black holes, warp reality, and effortlessly create and destroy countless worlds and stars.

1) Beyonders

Image Courtesy of Marvel Comics

The Celestials may have designed the Beyonders, but these beings who exist beyond the confines of the multiverse have far exceeded their creatorsโ€™ expectations. From their dimension known as the Beyond, these near omnipotent aliens were tasked with creating new universes and pocket realities. The Beyonders eventually rebelled and sought to annihilate the entire multiverse. This crusade, matched with their unrivaled reality warping abilities, allowed them to exterminate nearly all the Celestials as well as kill the Living Tribunal, whose power is second only to the One Above All. Just one Beyonder treated Galactus as a mere toy and effortlessly defeated him. The Beyonders nearly succeeded in wiping out the infinite multiverse until Doctor Doom stole their power to create a world for the few survivors called Battleworld.

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