The Legionnaires, also known as Batch SW6, are teenage replicas to the more seasoned Legion of Super-Heroes during the Five Year Gap era. Eventually they were revealed as time displaced divergences.

The Legion of Doom is a vicious group of supervillains whose objective is the destruction of all superheroes and to rule all of Earth. While they have been so far unsuccessful, their power is undeniable and they remain a threat.

Legion of cat women who battled Batman

The bizarro version of the Legion of Doom, from the planet Htrae.

A team assembled by Alex Luthor of earth 3 to oppose to the dangerous Crime Syndicate.

Cult seeking the path of Peace,Love and Light used by the Man-Beast

The Royal Family who serve as protectors of the Lightstar Crystal.

Group of bottom-list villains against Spider-Man. Also known as Spider-Man Revenge Squad

A group of benevolent monsters dedicated to protecting other misunderstood monsters from any threat, human or otherwise.

Cult of nihilist after Hellstorm.

Team of versions on Doctor Sivana from across no less than 25 Earths in the Multiverse gathered by Earth-5's Dr. Sivana.

A group of 30th-century heroes who were denied membership into the Legion of Super-Heroes, due to their powers being deemed limited or inadequate. So they banded together to prove the Legion wrong.

Greatest assemblage of meta-powered animals ever.

The Legion of Super-Heroes are a team of teen-age super-heroes in the 30th and 31st centuries of the DC Universe who were inspired by the adventures of Superboy/Clark Kent/Kal-El. Cosmic Boy, Lightning Lad, and Saturn Girl are the founding members.

New incarnation of the Legion of Super-heroes, founded by Wildfire in the 75th century.

The Legion of Super-Rejects were comprised of angry individuals that were rejected from the Legion of Super-Heroes for having powers that duplicated existing members.

A group of made up of the most dangerous superhuman and extraterrestrial criminals of the 31st Century, all of whom have one goal in mind: the destruction of The Legion of Super-Heroes. The latest incarnation of the LSV is led by Superboy Prime.

An assault force comprised of ninety-nine Confederate soldiers supported by thousands of creatures from a nearby swamp under the command of Count Vlad Dracula that attacked and routed a Union army of several thousand soldiers during a savage night attack.

The Legion of the Living Lightning was organized to take control of the United States and abolish war and hatred. They utilized violence and the power of the Living Lightning to achieve their goals.

The Legion of the Night is a group dedicated to stopping supernatural threats.

The Skull's army of super-powered slaves, most of whom were mind-controlled.

A more Kirby inspired version of the Doom Patrol, the Legion of the Strange are heroes from earth 13.

The Legion Of The Unliving has had many incarnations over the years. The Legion members have often been dead heroes and villains and have primarily fought the Avengers. The current team are all vampires.

Self Proclaimed Heroes who were pawns of the demon D`Kay.

A new age peacekeeping operation on Krakoa, created by Nightcrawler and Legion, centered around The Spark, Nightcrawler's tailor-made "religion" for an immortal life.

A band of United Planets inmates inducted in General Zod's army.

A Legion of Zoom was created by Reverse Flash in order to ruin Barry Allen's life.

A team of notorious villains from history who serve under Mephisto

Lemurians are a branch of under sea dwelling Homo Mermani. They are more serpentine in appearance than their Atlantean cousins.

Leopard-like people in the Kamandi series.

A descendant of a group of Maltusians who left Maltus in search of new worlds, eventually settling on Earth and becoming the Leprechauns of earth legend. Ganthet attempted to recruit them to fight alongside Hal Jordan in their battle against a renegade Guardian.

From Irish folklore known for wearing green and playing tricks on people. If you're lucky you can find their pot of gold at the end of a rainbow and they will grant you some wishes.

A team of Belgian assassins. They are enhanced with drugs and exo-frames to metahuman levels.

A group of wannabe vampires in New Orleans.

Les Heroes de Paris is the superhero team that protects Paris.

Forest spirits in slavic mythology.

A group of villains that has taken several forms over the years, each iteration equally dedicated to the destruction of the Avengers.

The cutting edge in world domination.

Halfway between a government organization and a cult, Level 42 is dedicated to capturing those with powers and using them for their own ends.

Monster composed of hundreds of homeless children that lives beneath New York

LEVIATHAN is a worldwide subversive organization dedicated to global domination, originating in the Soviet Union. It had disappeared and recently re-emerged.

"And so we wait, patiently. Our tendrils spreading, unchecked, uncontrolled, unseen. Our hatred vaster than empires, and more slow. Our name, Leviathan!"

The Leviathon tide is an alien host of gargantuan monster offspring raised and servitor to the Leviathon Mother. Who orders their hoard to seek out and desecrate other inhabited worlds to rebuild them as their nests.