Five literary ghosts possessing Fabian Gray, granting him access to their unique abilities.

Survivors of the Massacre of Sector 666 and founders of the Empire of Tears, the Five Inversions were held captive on Ysmault.

Excluding Hope Summers, The Five Lights are the first five new mutants to emerge since Scarlet Witch's spell ceased all new mutations on M-Day. Each of the Lights successfully mutated after physical contact with Hope.

A team of 5 science heroes from the series Promethea. Based out of New York and their orbital headquarters The High Five.

The Five Weapons Society was formally an ancient army of killers that strive to take over the world but is now lead by Shang-Chi, who aims to make the cult-like organization a force of good.

F.L.A.G. is the Foundation for Law and Government, an organization created to fight crime.

The Flak Jackets are a fictional punk rock band in Sean Murphey's Punk Rock Jesus. After their lead singer leaves the group when he finds religion, Chris, the clone of Jesus Christ, agrees to take his place.

A terrorist group that obtained armaments from the Arms Merchant and also had Firebrand to aid them.

Team of Flash archetype heroes from different parallel earths gathered together to save DC's Multiverse.

Flashmob consist mostly of old Luke Cage villains.

Contract killers in Cable's future.

The Flaxans are a warrior race from another dimension who use their technology to capture slaves from other dimensions.

A dying breed of alien pests which have the resemblance of a common house cat. The Flerken are an extra-dimensional species with vast trans-reality abilities used for spontaneous travel as well as personal storage within their bodies.

Mantis-like, carnivorous creatures from Mars

The Flesh Reavers are creatures of instinct. All they do is eat and reproduce.

An in-training Doom Patrol coached by Flex Mentallo.

A prehistoric family.

Plant species of Planet X.

The Fluorescent Five have been the alien guardians of the Mr. Monsters from the very beginning. They act as spiritual teachers and provide the Mr. Monsters with their predecessors' knowledge.

People who entertain foolish fears and spend time worrying over nothing.

The Flying Graysons were a group of trapeze artists in Haley's Circus, they were a family act famed for always working without a net.

The Flying Todds were a group of trapeze artists in the Sloan Circus, they were a family act just like the Flying Graysons.

Flying Trolls of Thryheim. They are lead by the Queen Ula.

A short lived team of Fables set up by Ozma to defeat Mister Dark.

Giant crab like creatures that live on an primitive planet that are relatively docile as long as they are fed.

Tribe that Frau Totenkinder belonged too.

The Folding circle is a group made up of the children of the Pact and The Left Hand.

Alien race

Also know as Fomor or Fomorians. The Fomorians are a semi-divine race opposed to the Celtic Gods.

The Food and Drug Administration (F.D.A.) is a government agency that oversees the investigation of food related crimes. Agents for the F.D.A. include Tony Chu and Mason Savoy, who are both cibopaths with the ability to psychically read food, and John Colby, Agent Chu's partner.

FOOM, The Former Order of Mutants is a group of mutants that lost their powers.

The Foot Clan is a ninja organization led by the Shredder.

The Foot Elite are a group of the most accomplished ninjas in the Foot Clan who serve The Shredder as bodyguards and field leaders.

Force debuted in Guardians of the Galaxy #3. Team of intergalactic thugs.

Front for Organic Responsibility and a Clean Environment

The Force Family is a Canadian superhero team published by DC Comics.

Force Four is a group of Kymellian super heroes that were presented as a copy of the Fantastic Four.

A team of patriotic super heroes.

The Force of Nature is an eco-terrorist group that is a part of Project: Earth. They often fought with the New Warriors. Currently the Oregon Initiative Team

One of the street gangs in Dakota that part take in the Big Bang brawl on Paris Island. Survivors of the police using Quantum Juice became Bang Babies and what remained of Force Syndicate merged with the survivors of their rival gang, the Paris Island Bloods, to form the super powered gang Blood Syndicate.

A group of psionic-based mutants who use their powers to construct the protective Force Walls around Fortress X in the Age of X storyline. They're never called in to combat (only to recreate barriers after the battles) and are therefore seen as superstarts by some of the younger mutants.