Dr Poison - Suicide Squad: Kill the Justice League

A costumed supervillain and enemy of the Justice League, Dr Poison specialises in poisons, venoms and toxins. 

Merlyn - Suicide Squad: Kill the Justice League

A costumed supervillain and enemy of the Justice League, Merlyn specialises in bows and arrows. 

The Riddler - Earth 2 - Suicide Squad: Kill the Justice League

Recruited into Task Force X, the Riddler was deployed to help stop Brainiac's attack on Metropolis. He did not survive. 

His weapons and tech were scavenged by Lex Luthor in the aftermath of Brainiac’s invasion. 

After Luthor sought asylum on Earth-1, he supplied TFX with these weapons to use in their fight against the Coluan. 

Superwoman - Earth ???? - Suicide Squad: Kill the Justice League

The alter-ego of Lois Lane, Superwoman, opposed Brainiac's invasion of her Earth, much to his annoyance. 

Samuel Lane - Suicide Squad: Kill the Justice League

A general in the US military, Samuel Lane, was the father of Lois Lane. 

Clark Kent - Suicide Squad: Kill the Justice League

The civilian alter-ego of Kal El, aka Superman, Clark Kent, is Chief Reporter at the Daily Planet. 

He is the adopted son of Jonathan and Martha Kent and is very proud of his Smallville roots. 

Steve Lombard - Suicide Squad: Kill the Justice League

A sports journalist for the Daily Planet. 

Cat Grant - Suicide Squad: Kill the Justice League

A celebrity columnist for the Daily Planet. 

Live Wire - Suicide Squad: Kill the Justice League

A WGBS radio show presented by Metropolis shock jock, Leslie Willis, back before she became the meta-supervillain Livewire. 

Perry White - Suicide Squad: Kill the Justice League

The editor-in-chief at The Daily Planet.

Polka-Dot-Man - Suicide Squad: Kill the Justice League

A costumed supervillain and enemy of the Justice League, Polka-Dot-Man was active in Metropolis during the Brainiac invasion. 

Task Force X discovered evidence of a fight between him and Terminaut Troopers, which resulted in a lot of death. This possibly included himself. 

Though as "Green Lantern" had been hunting down metas and costumed superheroes & villains to intergrate into Brainiac's army for three weeks prior to TFX's arrival, it is possible that he was adbucted and imprisoned aboard Brainiac's Skull Ship. 

Kite-Man - Suicide Squad: Kill the Justice League

A costumed supercriminal, Kite-Man was in Metropolis during the time of Brainiac's invasion. 

His tattered and bloody kite was found abandoned by Task Force X, leading them to conclude that he was dead. 

Though as "Green Lantern" had been hunting down metas and costumed superheroes & villains to intergrate into Brainiac's army for three weeks prior to TFX's arrival, it is possible that he was adbucted and imprisoned aboard Brainiac's Skull Ship. 

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. 

Lola Barnett - Suicide Squad: Kill the Justice League

A gossip columnist working for the Daily Planet. 

Swamp Thing - Earth 2 - Suicide Squad: Kill the Justice League

An Avatar of the Green, Swamp Thing and Poison Ivy worked together to defend the world from threats to the Kingdom of the Green and the natural world.  

Poison Ivy - Earth 2 - Suicide Squad: Kill the Justice League

A costumed meta-criminal, Poison Ivy, was an eco-terrorist and defender of the Green. She cared little for humanity and believed that it was her right and mission to return Earth to its natural state before the' expansion of human civilisation. She worked closely with Swamp Thing to achieve these goals. 

Recruited into Task Force X, she and Daphne were sent to Metropolis to help stop Brainiac's invasion. She did not survive. 

Her weapons and tech were scavenged by Lex Luthor in the aftermath of Brainiac’s invasion. 

After Luthor sought asylum on Earth-1, he supplied TFX with these weapons to use in their fight against the Coluan.

Vigilante - Suicide Squad: Kill the Justice League

A beloved costumed vigilante currently active in Metropolis. 

Mirror Master - Suicide Squad: Kill the Justice League

A costumed supervillain and member of the Rogues. 

The Top - Suicide Squad: Kill the Justice League

A costumed supervillain and member of the Rogues. 

James Gordon Jr - Suicide Squad: Kill the Justice League

Wanted by the Metropolis Police Department, James Gordon Jr is considered extremely dangerous. 

Cadmus - Suicide Squad: Kill the Justice League

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

Sinestro - Suicide Squad: Kill the Justice League

The leader of the Sinestro Corps and an enemy of Green Lantern. 

Ares - Suicide Squad: Kill the Justice League

The literal Greek God of war and an enemy of Wonder Woman. 

Metallo - Suicide Squad: Kill the Justice League

A costumed supervillain and enemy of Superman. 

Reverse-Flash - Suicide Squad: Kill the Justice League

A costumed supervillain and arch-enemy of the Flash. 

Jimmy Olsen - Suicide Squad: Kill the Justice League

A Daily Planet photographer, Jimmy Olsen, is a big Superman fan and one of his staunchest supporters. The two are considered best friends. 

Due to their friendship, someone once posted a contract to have him assassinated. 

Black Manta - Suicide Squad: Kill the Justice League

A costumed supervillain active in America. 

Edna Luthor - Suicide Squad: Kill the Justice League

The late great-great-grandmother of Lex Luthor. 

Wallace Luthor - Suicide Squad: Kill the Justice League

The late grandfather of Lex Luthor. 

Carla Viti - Suicide Squad: Kill the Justice League

The late sister of Carmine Falcone. 

Peacemaker - Suicide Squad: Kill the Justice League

A costumed vigilante currently active in America. 

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. 

Pied Piper - Suicide Squad: Kill the Justice League

A friend of Captain Boomerang and former costumed supervillain, Pied Piper has since left the Rogues and gone legitimate. 

Back when he was working with the Rogues, he attempted to use his mastery over hypnosis and soundwaves to hypnotise Superman into joining them. However, this plan was foiled by the Man of Tomorrow, who had overheard him planning the scheme. It was after this defeat that he decided to retire.  

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

Robin III - Suicide Squad: Kill the Justice League

The alter-ego of Tim Drake, Robin III, is still an active member of the Bat-Family following the Nightfall Protocol.  

He was ambushed in the Metropolis Batcave while trying to access the Babel Protocols and seemingly killed by "Batman". 

Though since "Batman" had expressed a desire to capture and integrate Oracle, it is also highly possible that they kept him alive, imprisoning him aboard Brainiac's command ship with the rest of the defeated and cloned heroes. 

Oracle - Suicide Squad: Kill the Justice League

The alter-ego of Barbara Gordon, Oracle, is still an active member of the Bat-Family following the Nightfall Protocol. 

"Batman" planned to have her captured and integrated once Brainiac and his forces had finished conquering Metropolis. 

Green Arrow - Suicide Squad: Kill the Justice League

The alter-ego of Oliver Queen, Green Arrow, is a costumed superhero. 

He has no ties to the Justice League and works independently of other heroes. 

Aquaman - Suicide Squad: Kill the Justice League

Aquaman is a costumed superhero and the ruling monarch of Atlantis. 

He has no ties to the Justice League and works independently of other heroes. 

Green Lantern - Earth 2 - Suicide Squad: Kill the Justice League

The alter-ego of Hal Jordan, Green Lantern, was a costumed superhero and founding member of the Justice League. 

He was killed by Brainiac during his invasion of Earth. 

The Flash - Earth 2 - Suicide Squad: Kill the Justice League

The alter-ego of Wally West, The Flash, was a costumed superhero and founding member of the Justice League. 

He was killed by Brainiac during his invasion of Earth. 

Crazy Quilt - Batman: Arkham City

A costumed supervillain and enemy of Batman, Crazy Quilt, was arrested by TYGER and imprisoned in Arkham City.