Loyal to King Randor and defenders of Eternia.

A team of cosmic beings assembled by Galactus to stop the First Firmament.

Group of anti-terrorists willing to resort to terrorism in order to take out the terrorists.

Ethreal are born from vampires and werewolves, when they reach ecstasy they can achieve god like power. There are however only 3 of them left.

A superhuman terrorist group that seeks to restart human evolution. Under the leadership of Genecide, members One, Four, Nine, Eleven and Twelve have clashed with the New Warriors and Psionex.

International superhero group, operates mainly in Europe.

Euroforce is an European team of superheroes.

The European equivalent of the Ultimates on Earth-1610.

A group of mutants employed for killing Henrietta Hunter

Lex Luthor offered meta-gene therapy to give regular people superpowers

A Team of Sisters and their Cat. They want to save their Super Villain dad from his new Team, so they became Super Heroes!

In the usual Cinderella story, she is plagued by her two evil step-sisters.

Eternia's Evil warriors who do the bidding of Lord Skeletor. They battle He-Man and the Masters of the Universe, the evil Horde and the Snakemen.

They are here to ensure the survival of mutantkind.

The High Evolutionary's personal army in helping him advance the evolution of humankind.

Ewoks are a small teddy bear like species that is native to the planet Endor.

A short-lived team formed by Mockingbird following her dismissal from the Avengers. Comprised of fellow Avengers who were similarly dismissed for their belief that in some instances killing is acceptable.

Excalibur is a super-group of mutants in the Marvel Universe that are based out of Britain. They are an off-shoot of the X-Men books and contain many one time X-Men members.

A superteam organized by Professor Xavier and Magneto to rebuild the devastated mutant nation of Genosha. No connection to the British superhero team Excalibur.

Team of Season 1 Superhero contestants from Stan Lee/Sci Fi Channel's "Who Wants to be a Superhero?" There is also a fictional hero group called Excelsior, see below.

A group of high-tech mercenaries.

A group of villains given powers by extradimensional beings as part of a contest to see which was most powerful. The most famous of the Exemplars is none other than the Juggernaut.

Forced to leave their homeland, Growler, Howler, and Gorr explore the world in search of the Tana Moon for their friend Superboy.

The second team with this name, the Exiles are a renegade group brought together by the events of Black September and includes characters from the Marvel Universe.

The Exiles are group of time and space traveling characters that are charged with the duty of jumping across multiple parallel realities. In each reality they must resolve a certain issue before they can move on to the next one in order to save the Multiverse.

A group of international would be world conquerers that were allies of the Red Skull who fought against such heroes as Captain America and his side-kick the Falcon, and later Dr. Doom. Their base of operations is the appropriately named Isle of Exiles.

One of the Builder races, the Ex Nihili are gardeners, charged with seeding a world with new life after an Aleph has razed it to the ground.

Humans trained and armed with neural network helmets to control the animal population on the terraformed planet, Exodus

The Experimentals are a team of superheroes that reside in Astro City.

Explorer-Class Adaptoids are a enhanced model of Adaptoid created by A.I.M. with the purpose of mining the multiverse.

Team assembled by Chameleon to attack Peter Parker.

Three energy-consuming monsters that were locked away in the space between dimensions by the Celestials.

Robots created by Dracus to exterminate renegade androids.

All members of the Externals were shown to be immortal and important to Apocalypse's rise of power, now only three of them remain...though even those seem to have lost all connection to one another.

The Extreme Emergency Team is part of the New York Police Department. The team was created for emergencies.

Extreme Justice was formed by Captain Atom as a pro-active attack on the darker forces rather than a reactionary defense.

The Extremists are an outlaw group of villains from Earth-8. And the destroyers of their own world in a previous continuum.

A demonic race used by Doctor Strange to enforce security on "Strangetown".

The Fables are those of the childhood stories. After being forced to flee their homelands, they currently reside in the fictional land of New York.

These are the creatures that come from eggs, laid by the Alien Queen, and put Alien embryos in humans, animals, and Predators. Like the Aliens, their blood is also acidic.

The Faceless Ones or Those Who Dwell Below are a primitive underwater green-skinned race with pointed ears, webbed hands and feet, vestigial wings, and no facial features that are savage and carnivorous.

The Federal Advisory Committee to Thunderbolts was a corrupt government organization that used the prisoners at the Raft as superhuman weapons. Luke Cage and his Thunderbolts discovered their designs and dismantled the organization.