Intergang - Suicide Squad: Kill the Justice League

One of Metropolis's largest criminal organisations, they are currently engaged in a four-way gang war between the Ghost Dragons, the Royal Flush Gang and the Street Demonz.

They are known to have a vast arsenal of weaponry and technology of New God origin. 

Members:  

• Bruno Manheim

Sinestro Corps - Suicide Squad: Kill the Justice League

Named after their leader and founder, Thaal Sinestro, the Sinestro Corps are the enemies of the Green Lantern Corps and are responsible for maintaining the natural balance of fear in the Universe. 

After a failed invasion attempt of Earth, several Yellow Power Batteries fell into the possession of Batman. These would be used as the basis for the Babel Protocols' contingency plan against Green Lantern. 

The Street Demonz - Suicide Squad: Kill the Justice League

A street gang operating in Metroplis, the Street Demonz have allied themselves with the Penguin, who sells them weapons in exchange for their loyalty. 

With these weapons, they have begun clashing with both local gangs and costumed criminal teams. 

The Royal Flush Gang - Suicide Squad: Kill the Justice League

A team of costumed supervillains themed around playing cards operating in Metropolis, they have been locked in a gang war with the Street Demonz. 

Members: 

The Spades

• Jack of Spades
• Queen of Spades
• King of Spades
• Ace of Spades
• 10 of Spades

The Ghost Dragons - Suicide Squad: Kill the Justice League

A street gang operating in Metropolis. 

Cadmus - Suicide Squad: Kill the Justice League

Specialising in unethical and illegal cloning experiments, Cadmus has operations both in America and overseas. 

The Legion of Doom - Suicide Squad: Kill the Justice League

The Legion of Doom is a criminal syndicate of costumed supervillains who work together to oppose Earth's costumed heroes. 

Membership in the Legion is very exclusive, with the entry fees alone making it a barrier for many aspiring villains looking to join. 

The Rogues - Suicide Squad: Kill the Justice League

The Rogues are a team of costumed supervillains and enemies of the Flash. 

Though they are thieves, they have a strict no-kill rule that they take very seriously. 

Members: 

• The Top
• Mirror Master

Former Members: 

• Captain Boomerang
• Pied Piper