Gunhawk and Gunbunny were mercenaries, and enemies of Batman.

The Gunmen are like three men in one and they are assassins.

Trained rats with surgically implanted lasers.

A family known for its uncanny trend of birthing mutants.

The Global Unlimited Task Squad is a elite squad of TPC (Terrestrial Peaceable Consortium) experts that specialize in supernatural phenomenon in the year 2049. They also assist Ultraman Tiga against giant monsters.

Originally from the Banari homeworld, the Haab are a water-breathing race created by the Banari to serve them. They possess superhuman strength, have sharp teeth, and have simple minds. Without proper guidance from their masters, they will only seek out food.

Chris Krank and Lisa Elsten are the founders of Hack/Slash Inc, where Slasher survivors will help Cassie and Vlad in their hunt.

The team page for Halcyon, the superhero team in Image's new on-going Halcyon. First appears in Halcyon #1

The Halla's were the first living beings used by the Guardians of the Universe to replace the failed Manhunters after the Massacre of Sector 666.

Dennis "The Golem" Golembuski's personal squad of goons.

The Halo Corporation is the business that provides money and resources for the WildC.A.T.s team.

A traveling circus that was once home to the Flying Graysons, and is currently owned by their son, Dick Grayson.

Hammer grew out of Nazis and sought the legendary power of Atlantis.

After the events of Secret Invasion, Norman Osborn disbanded S.H.I.E.L.D. and from the ashes, he founded H.A.M.M.E.R., a group built to cover Osborn's dirty schemes.

Hammer and Anvil are two former prisoners that escape and encounter an alien. This alien transforms their chain into an energy synthecon that grants them superhuman strength and durability.

A race of people who live on a mountain in the Quadling Country of the Land of Oz.

A group of super-villians financed and outfitted by their employer, Justin Hammer.

Squadron of the Galactic Avengers that attacked the Centauri-VI.

Secret Police for The Maker in 6160 Ultimate Universe.

Harassers are brutal, relentless and efficient enforcers of the Orphanage on Apokolips where they break in new arrivals for Granny Goodness.

The harbringers of Tetracide.

Team assembled by Wolverine to help him defeat Romulus.

A group consisting of ex-U.S. Armed Forces personnel with low-grade extranormal mental and psionic abilities. They washed out of the military program and went into the private sector, taking on...hard cases. Like security.

H.A.R.D. Corps (Harbinger Active Resistance Division) is a team of humans with brain implants that give them the ability to download super powers. They hunt down super powered psiots (Harbingers) in the Valiant Universe. Capture or death by enemies causes their brain implants to explode.

Harlan Draka's Legion is a group of characters of the Italian comic book Dampyr. Harlan Draka is the leader and the members are Kurjak, Tesla and all their friends and allies gathered over the years.

Harley Quinn & The Annihilators are a short-lived team led by Harley Quinn as she thought it was a great idea to transform her Gang of Harleys into super-heroes.

Mythical winged creatures of Greek mythology.

A team of mercenaries hired to hunt down Jubilee, Psylocke, and Wolverine.

The Harvesters of Eyes were a cult determined to bring about Xenogenesis, in which demons would return to conquer the Earth. Their leader was Vera Gemini.

H.A.T.E. stand for Highest Anti-Terrorist Effort and is lead by Dirk Anger.

A team of animal themed villians killed by Itsy Bitsy.

The Hatut Zeraze or "Dogs of War" are a conglomerate of Wakanda's most elite spies and assassins. They are sometimes referred to as the Wakandan secret police and were formerly lead by Hunter the White Wolf. They were created by King T'Chaka and disbanded by King T'Challa, who disapproved of White Wolf's violence and brutality. Since then, they have been re-banded by the current ruler of Wakanda, Black Panther Shuri.

A reptilian race with advance technology and members with individual powers

The Haunted Tank Crew was a World War II Tank Crew in the African Front. Led by Jeb Stuart and watched over by the ghost of Confederate General J.E.B. Stuart.

Given their powers by the lords of Order and Chaos. Hawk an agent of Chaos; Dove an agent of Order, work together despite their differences.

Team of Thanagarians working for the Lexcorp from the 853rd century.

The Hayoth are a team of four super powered covert operatives who act as a special division of the Mossad.

Native to the Vega System, the Headmen were once humans who developed a technology that allowed them to drastically evolve their minds.

Most likely one of the strangest groups in the Marvel Universe. Consisting of deranged scientists, they bent on revenge against the world for outcasting them. Each of them has a strange feature with their heads.

A gun for hire organization compose of all female members.