The Invisible College, a secret organization battling against physical and psychic oppression using time travel, magic, meditation, and physical violence.

Little mobster gang leaded by Mickey "Mink" Sullivan and formed by "Donny Boy" Sullivan, "Skillful" Jimmy, "Fashionable" Kevin and Willie "Double Portion". Contracted by gangster bosses for doing dirty works.

The team assembled by Jim Rhodes to defeat Ultimo whilst Tony Stark was in a coma

Corporate sponsored team that wore armor engineered from the Carnage Symbiote. All members were eventually killed by Carnage.

Identical twin bikers who terrorized Burnside, the new home of Barbara Gordon.

A group of teenage superhero sidekicks who teamed together and were based out of Kansas City.

The Jedi High Council consists of the twelve of the wisest and most respected Jedi Masters. During the Clone Wars, one Jedi Knight was granted a seat on the council-Anakin Skywalker. The Council would be dissolved after the Great Jedi Purge but reformed by Luke Skywalker many years after the defeat of Emperor Palpatine.

Emperor Joker rules his world with the help of the alternate JLA.

The Junior Super-Criminals are a group of sidekick that work for super-villains.

A platoon of soldiers during the Vietnam War

The Justice League as antropomorphic dinosaurs. of Earth-27.

The Jury are a group of former guardsmen of the Vault.

Justice League of Earth-16 composed of sons and daughters of the original Justice League who undergo mock battles and act like celebrities in lieu of anything actually super heroic to do

A former advanced race that fell from polluting their planet and degenerated into a race of canibalistic body harvesters.

The Keep are a race of aliens supposedly responsible for the Nu-Gene on Earth. They attempted to collect all of the Nu-Gene humans during Extreme Destroyer.

The Keepers are the shadowy minions of Jubal.

The original Keepers are the creators of the realms of power (Myst, Oz, Wonderland, Neverland and Earth). The current Keepers consist out of handpicked villains, led by The Being.

Resurrection Man's enemies conbined into one team in the artificial reality created by Mr. Skism.

A lost team of African super heroes

A group of time-manipulating creatures that erased the previous incarnation of Stormwatch from continuity.

Scientific organization responsible for giving Mitch Shelley his powers.

"The Landlubbers" is a group consisting of Lagoon Boy, Blubber, and Sheeva, a trio of young adventurers from Poseidonis. The group visits the surface world and introduces their culture to their home city.

Lois Lane's family.

The Law Enforcement Squad are an Avengers-esque superhero team from a parallel universe led by an intelligent version of The Hulk. They were based off of DC's Justice Society of America.

A superhero team, appearing in X-Men 2099, whose enemies include the Foolkillers.

Splinter sect of the League of Assassins that believes in getting its hands dirty in broad daylight instead of in the old and outdated secrecy of the League of Assassins

The League of Annoyance was described by Lex Luthor as "a sort of farm team for the Legion of Doom."

The team of heroes that take The Pro into their ranks, but regret the decision as time passes.

Superhero team from future.

The Legion of Galactic Guardians 2099 is a superhero group from the Amalgam Universe born from the merger of The Legion of Superheroes, Guardians of the Galaxy and the Marvel 2099 timelines. There are two versions of the team: a "Pre-Crisis" and a "Post-Crisis", both of whom had an encounter with Spider-Boy.

Superheroes from a higher reality who survived the destruction of their universe by becoming fictional.

A group of magic themed heroes brought together by Doctor Mist to protect the Earth in times of need.

The Main Villains of the Young Justice animated series.

The Light Brigade is the name of the super-human army that Captain Marvel brought together to help him defeat Death.

Defenders of Cosmoville and protectors of earth-34

The Lightsmiths are a group of aliens who lived in the universe before ours that wielded the red light of fury, the orange light of gluttony, the yellow light of terror, the green light of resolve, the blue light of faith, the indigo light of empathy, and the violet light of passion.

The Lion and The Unicorn are a pair of British superheroes. The original duo had a female Lion and male Unicorn.

A team of hackers who live outside of the law.

A support group for the nearest and dearest of superheroes started by Edwin Jarvis.

Ex-CIA team who seek revenge against their handler Max after he betrayed them.

A group of soldiers from different branches of service who banded together because of the misfortunate backgrounds they shared. They operated during World War II.

A group of children who had their souls consumed by Pan. The remaining bodies serve as mindless minions at Pan's disposal. After Pan is deposed, they come under the control of Barr.

Golden Age sidekicks who was removed from time by Childminder.

A group of 7 young unique geniuses that comprise a think tank employed by Horizon labs. Together and/or separately they create inventions or other scientific breakthroughs.