Students for the Academy of Super-heroes with atavistic superpowers. That's mean, they are evolutionary throwbacks.

The Earth/Galactic Operatives (EGOs) are a team of super-heroes of the far future, created after a devastating war.

The pantheon of gods worshipped by the Ancient Egyptians.

The dead who a brought to Valhalla.

Alien race.

The Elder Gods are ethereal beings that were the first to be spawned on Earth. Each of them possesses power that far exceeds any God and deities on and beyond Earth in their prime and can rival that of even the most powerful cosmic entities.

The Elders of the Universe are the last survivors of extinct races, granted virtual immortality allowing them complete mastery over their various obsessions, which have become their respective names.

The crew of the salvage vessel Electra.

A group of people who have the spirits of the four main elements residind in their body. At first thought the Super Friends were their enemies but later discovered they were lied to by the Overlord.

Each member of this group represents one of the basic elements: fire, water, earth and air. They have come into conflict with the Legion of Super-Heroes.

The Elements of Doom are a team consisting of living elements that have battled the Avengers and the Thunderbolts.

The Elephantmen are a group of Human/Animal hybrids created by the MAPPO corporation.

The Elias are Mothra's priestesses.

A five member Shield Spec-ops team created by Sharon Carter during her tenure as Shield Director.

An aeronautics company that designed and tested prototype aircrafts a.k.a. "The Gremlins".

Sinister's personal mutant police force that guarded the Breeding Pens during the Age of Apocalypse. They were teamed up with their siblings, being considered the most powerful mutant bloodlines.

Mega-class Mech-troopers powered by STARK Tech and trained in Super Combat

Immortality Cult

A group in the Madame Xanadu series.

From The Time Machine by H. G. Wells.

Mythological beings.

The Emanations are living creatures produced from the organic matter of the Masters of the Night

Dragon hunters for The Order of St. George.

The governing body of the great power known as Greenworld.

Guy Gardner, Kilowog, and Arisia forming a new Team they are called the Emerald Warriors. They bring down the law in all unknown sectors.

The Emissaries of Evil have had three incarnations, and were opposed by both Daredevil, the Flight, and the Defenders.

Creatures from the Insect Mesh whose mission was to secure the Pupa (Lodestone). Unfortunately, they failed and Lodestone was abducted by Hussite geomancers.

They are feared upon a thousand worlds in the Gemworld world.

The energies created by the emotions of sentient life are personified as sentient beings comprised of those energies.

These are the Emperor's best warriors.

Association of supervillians. Many of them went to space to fight a cosmic menace but several were left on earth.

The Empire of Shadows is an Dark Multiverse alternate version of the League of Shadows that conquered the entire Earth.

Eons ago, the Empire of Tears reigned over three galaxies with the use of dark magic.

first appeared in Amazing Spider-Man #31

A technological force set out to rid the universe of magic.

Founded and led by Meridius a future king in black.

A group of brothers with their minds set on conquering Asgard.

The Enclave is a small band of scientists who have dedicated themselves to using technology to create a benevolent world dictatorship under their rule.

Alliance and Council of Mystics in the DCU composed of both heroes and villains

A group of misfits that finds shelter in the sewers of New York City.

An army of deceased Pantheon members.