The Coda are a Kheran organization of deadly female assassins.

Code Blue is a special unit of the NYPD designed to deal with super-powered threats.

Name given to a new division of the CIA utilizing the M.A.X. armor to combat international terrorism.

A team of mercenaries organized by the Red Hulk. They were hired to hunt down Domino & were therefore drawn into conflict with the X-Force.

Chosen servants of Gaea who are sworn to protect the Earth and its inhabitants.

Enemies of Colossus.

Cyborg mercenaries

Alien race, Nick Fury enemies.

Special forces in the Aliens comic books who generally get called in to deal with the Xenomorph threat. They are heavily armored and mostly carry MP41A Pulse Rifles.

The Colony are a secret think tank of scientists established in the Cold War who influence global technology and are seeking the white dwarf fragment in Raymond Palmer's possession.

The Coluan race is a green-skinned humanoid race with the average member having a "level 8" intelligence, far higher than humans. Coluans are pioneers of super advanced technology and have exceptionally long lifespans lasting for centuries, due in part to their advancements in genetic manipulation.

Schoolyard rivals who by chance survived a comet hit, now they need to be within 20 feet of each other at all times to maintain their superpowers.

A group of genetically advanced animals experimented on in the labs of the Evil Factory.

The Commandeers are a group of freedom fighters in the 31st Century, that opposed the Punishers.

Commedia Dell'Morte translated The Comedy of Death are a group of assassins from Europe dressed as "stock characters" from classical opera. The group is led by Pagliacci and also consist of Mister Punch, Pantalone, La Signora and Captain Scaramouche.

A US Government agency that regulates activity and legislation of paranormals and costumed adventurers. More often than not they are seen as hindrance and antagonists to the likes of the X-Men, Captain America and the Thunderbolts.

Communist bears from the erarth of Kamandi.

The most influential ideology of the 20th Century, communism shaped the world into two opposing super-powers. In many ways the Communists replaced Nazis as a real life foe for superheroes in the post-WWII world.

Concordance Extraction Corporation is a deep space mining company.

Concordance Research is a science research firm.

A group of militant mercenaries that dealt in rage inducing and pain numbing drugs called EMC.

Short lived team consisting of Daredevil, Wolverine, and Spiderman trying to stop the Punisher, they teamed up after each was humiliated by Frank Castle.

Also known as "The Separatist Movement" they were led by Count Dooku, General Grievous, and Nute Gunray. Their true leader however, was Darth Sidious.

The soldiers from the South during America's Civil War.

A team based on faith, they try to banish evil. One member can summon all the others.

The souls of the last member of a world linked together to hear prayers for the Uni-Lord

A group of individuals from a variety of different universes, who are working together towards the goal of conquering all the planes of reality.

The Congress of the Crowns was formed by Hugh Jones to be the ruling body of Earth and possibly other Earths through the use of the Serpent Crown and the power of Set.

A group of individuals that represent each of the ten realms.

A group of people who believe they must destroy Superman because it is the only way to save the world.

The Conspiracy is a name given to the five beings necessary to open a dimensional portal to allow the Exo-Mind to access other dimensions. The first Conspiracy may pre-date the current universe.

A former SHIELD black ops team created to kill mutants. After going rogue they fought Wolverine, Captain America and Warbird.

Continuum Staff works at the Continuum.

An extra-terrestrial humanoid race who sought means to rekindle their sun’s dying energies.

A League of Evil Sorcerers

Copra is a team of super-powered expendable mercenaries in the employ of the US government.

Cornelius/Kreig is the world's largest pharmaceutical company with employees in multiple locations.

Aliens who had to flee their homeplanet after it was destroyed by Galactus.