The Last Defenders were a predestined team of superheroes brought together by the machinations of Yandroth to be the ideal representation of the Defenders.

The Last Line is a group of Kryptonite-powered "operatives" formed to take out Superman if he should ever go bad.

Team of superheroes in Possibility.

The Last Ones are the last living beings still alive at the end of the Wildstorm Universe.

The Las Vegas Metropolitan Police Department (also known as the LVMPD or Metro) is a joint city-county police force for the City of Las Vegas. Contains branch locations, a crime log, programs and permits information.

Enemies of the Del Toro family.

A school for teenagers with supernatural powers located in Latveria.

A comedy duo consisting of Stan Laurel and Oliver Hardy who appeared in both silent and sound shorts plus in feature films during the golden age of Hollywood.

An underground race known as the Gortokians transformed by a demon that have battled the Fantastic Four and the Avengers.

The Living Assault Weapons, L.A.W., were created when the JLA disappeared during a battle with the Avatar.

Laxidazians are an humanoid alien race in the Marvel Universe.

Multinational group which exploits the developing world.

Androids created by the Leader to stop The Hulk.

Created by Maxwell Lord, the Leaguebusters were a team sanctioned by the U.N. to take down the Justice League should they ever go rogue.

The League of Ancients were a collection of super-powered beings that gather due to the behest of the rulers of Atlantis, Rama Khan and Gamemnae, during the Obsidian Age.

The League of Assassins is an ancient army of killers led by Ra's al Ghul that often comes into conflict with Batman. Many of the greatest martial artists and mercenaries in the DCU have been members of the League of Assassins at some point.

5 years into the future of the New 52 or, during Futures End, Barbara Gordon has become Bête Noire a.k.a. the Black Beast and is leading "The League of Batgirls" featuring the "three" Batgirls Cassandra Cain, Stephanie Brown, and the teenager Tiffany Fox.

The League of Extraordinary Gentlemen are a group of past literary heroes contained in Alan Moore's graphic novel of the same name. They are led by Mina Murray of Bram Stoker's Dracula fame.

Parody team of the Legion of Super-heroes on "Marshal Law". They are the next generation of "heroes" in training on a lab where they are manufactured.

A time-traveling hero group who has their base in the Time Tower.

Bovine heroes from the Tiny Titans comic

A splinter group of the League of Assassins, led by Ra's al Ghul's mother, Mother Soul.

A crime syndicate that operates in Blüdhaven, using Limousines as both a cover, and a symbol of animosity.

In an alternate reality the time-traveling villain Chronok killed all heroes on earth, except for Darkhawk, Speedball, Dagger, Sleepwalker, Mutant 2099, Gravity, Arana, X-23, and Terror Inc.

Enemies of an alternate dimension Authority, the League of nasty Bastards is a parody if the Justice League International.

A group of radically-minded bowlers bent on destruction.

A team of representatives from various races inhabiting once Nine, now Ten Realms, whose alliance represents a multilateral unity of purpose against their foes.

Earth 13: The League of Shadows is a supernatural group of defenders led by the Superdemon Etrigan.

A group of criminal Joker worshipers, lead by a man known as Merrymaker.

Given super powers by Dark Man, the League of Super-Assassins are six citizens of Dryad who mistakingly believed the Legion of Super-Heroes destroyed their home planet.

In the far future, after the death of the earth, a group of people genetically modified to emulate partially the powers of the legendary Superman, team together as the League of Supermen.

Enemies of the Challengers of the Unknown

On an altered reality, a team of the last survivors from different alien races fighting for humanity and lead by Lobo.

The Leanhaun Sidhe are a faerie race, also known as succubi. They are dangerous seducers of males, and have entrapped both Kevin Matchstick and Joe Phat.

Pair of female criminals, enemies of Black Cat

The Leatherneck Raiders were United States Marine Corpsmen commanded by USMC Captain Simon Savage, active during World War II, who never achieved the recognition of US Army Sgt. Nicholas Fury's Howling Commandos.

A team of time displaced heroes who must stop the omega demons that are coming after time travelers.

L.E.G.I.O.N., Licensed Extra-Governmental Interstellar Operatives Network, is an galactic police force, run by Vril Dox II.

The Legion Academy was developed in the later half of the 30th century to educate young students in the use of their powers and abilities for potential members of the Legion of Super-Heroes.

Ninety-nine super-villians chosen by Mephisto to kill the Beyonder.

The Legion Espionage Squad is an undercover division of the Legion of Super-Heroes that operates in secret for specific espionage assignments. The head of the team is Chameleon Boy one of it's engineers.