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From invaders to observers, Marvel has no shortage of bizarre and memorable extraterrestrial lifeforms scattered across the cosmos. And of course, many of these races find their way to Earth to have epic encounters with the planetโs protectors.
7) Brood

The Brood, a terrifying race of bug-like aliens, are widely regarded as the universeโs first galactic predators. Like a swarm of locusts, they invade planets to strip them of their natural resources while devouring their native inhabitants. The Brood are a hive-minded species that follow the orders of its queen. Incredibly savage and sadistic, they take great pleasure in killing with their razor-sharp teeth, claws, and stingers. Their most unsettling attribute is their method of reproduction. The Brood donโt repopulate by breeding, but by infecting other species with their eggs. The hostโs mind and body then transform into that of a Brood. If the host has any powers, the newly developed Brood will inherit them. The Brood are easily one of the most nightmarish creatures the Marvel Universe has ever produced.
6) Shi’ar

The Shiโar Empire is one of the largest empires in the Marvel Universe, as millions of worlds fall under its banner. The Shiโar, descended from avian species, are easily identifiable by the feathered crests that crown their heads. The Shiโar live in an imperialistic and militaristic society on their home world of Chandilar. They have no concept of creativity or art and will execute anyone who dares to express such ideas. A team of superpowered Shiโar warriors called the Imperial Guard protects the empireโs ruler. The Shiโar have come to blows with the heroes of Earth on many occasions, but there are a select few within the empire who wish for peace. Queen Lilandra is a close ally of the X-Men. She is also a love interest of Charles Xavier, aka Professor X. Lilandra and Charles even had a daughter, Xandra, who is the current ruler of the Shiโar Empire.
5) Celestials

The Celestials teeter on the line between aliens and gods. A race of near-omnipotent cosmic beings that have existed since the very first universe, they are responsible for the creation of the entire Multiverse. The Celestials are so powerful that they can easily destroy planets and warp reality. With their god-like abilities, the Celestials travel the universe to judge and experiment on lower lifeforms. They always create two sub-species from the natives: Eternals and Deviants. Eternals are everlasting and benevolent, while the Deviants are ever-changing and cruel. Much of Earthโs history was shaped by these highly advanced aliens. The Celestials are even responsible for the creation of mutantkind, which emerged as a result of an experiment conducted on ancient humans. The Celestials are some of the most powerful and influential alien races in the Multiverse.
4) Kree

The Kree, a scientifically advanced race from the planet Hala, are an imperialist and militaristic society with an empire spanning thousands of star systems. They are ruled by the Supreme Intelligence, a supercomputer comprising the greatest minds in the Kree Empire. The Kree have been at war with the Skrulls for thousands of years, and unfortunately, Earth is often in the crossfire of this bloody conflict. The Kree also experimented on early humans, creating the super-powered subspecies known as the Inhumans. The most recognizable member of the Kree species is Mar-Vell, the original Captain Marvel, who served as a hero on Earth for many years before his death, ultimately passing his mantle to Carol Danvers.











