Interpol is an international anti-crime organization (International Crime Police Organization). In the Street Fighter world, Chun Li is a member that investigates Shadaloo.

The Intimates are a group of young superheroes who attend the school for superheroes called The Seminary.

The Minions of Menace were formed by Korvac to fight Thor and the Guardians of the Galaxy.

The Intruders is a group formed by Silver Sable, after the outlaws disbanded.

The Gods of the Inuit people.

The greatest superheroes of their time joined together to fight the Axis powers during World War II. Those who have survived into the modern era continue to team up when needed.

Inhabitants of a brief world created by a multiversal supercomputer, they pretended to kill a world to save theirs own.

Underground crime organization operating in secret in Metropolis.

I.O. stands for International Operations. It is a government intelligence agency that protects American interests all over the world.

Those who would rebel against the Uni-Lord

Created by Iron Man following the deaths of the Avengers in a battle with the Absorbing Man, The Iron Avengers were modelled after the fallen heroes and were led by the Vision. Following the death of Iron Man, Black Knight took over leading the Iron Avengers.

The Iron Damsels are a team of female bounty hunters that hail from different regions of Hyboria. They have both hunted and worked alongside Conan of Cimmeria.

Nergal's creation, four young men (the British Boys) made into a cruel mockery, their four bodies joined in a Hellish figure. Once again the four are united with a common goal. In the end it is their disagreement on favorite football teams that pits them against each other.

The Iron Force is an army of armored individuals used by Tony Stark to control and enforce his rule over a section of New York City.

Iron Man and his Awesome Friends!

The Iron Grenadiers are Destro's own elite squadron of highly trained soldiers.

A group of armored criminals of Astro City, defeated by Samaritan.

The Iron Legion are an army of brutal robots. They plundered many planets before the Doctor finally stopped them.

A.I. Iron Man armors designed to protect Stark Tower.

Group of western villains that banded together

A fleet of Iron Man suits piloted by A.I. versions of the Stark brothers, James Rhodes and Pepper Potts.

Organization who offers mercenaries-for-hire only formed by women. Hired as an exotic personal army.

Originally a mercenary outfit formed by Arsenal, the Iron Rule now operates as the new tyrants of the Gotham Underground

The Irons Family had demostrated than to be a hero if you don't have powers, you built them.

Also known as The Astro City Irregulars. Formed in the late 1970s by Bravo, El Hombre's former sidekick, the team have since been mostly made of teenage outcasts and outsider heroes.

A peaceful race whose main planet is I'Than Prime

Criminal syndicate from the Star-Wars Universe

A jackalope is a North american mythical creature.

Gang led by Jack Horner in 1883.

The Jade Dragons were a pair of siblings that inherited their power from their father. They were both vigilantes that worked together.

The Jade Phantoms are a New York City street gang. They were used as pawns between opposing mafia bosses for the run of New York in the absence of the Franco Bertinelli being killed.

Savage killers, secret weapon of the Nazis.

A travelling circus to which Nightcrawler once belonged.