The Crime Syndicate are a team of evil counterparts to the Justice League, existing on Earth 3. Their original membership included Atomica, Deathstorm, Grid, Johnny Quick, the Martian Manhunter of Earth 3, The Outsider, Owlman, Power Ring, Sea King, Superwoman and Ultraman.
The Outsider is sent to Prime Earth as an emissary, preceding the entire Syndicate. He was responsible for creating the Secret Society of Super-Villains to make way for his masters. Using Pandora's Box, the Outsider opens a portal and lets the Crime Syndicate through. Sea King didn't survive the journey, and they carried an unknown prisoner with them. They declared that this Earth belonged to them.
Sending out a call to the Secret Society and to the world, they began shutting off electronic communications and restarting them under their control. However, their seeming power was hampered by the weakness of their own pride, and they were eventually defeated by the Injustice League. In the end, almost every member of the team died, Owlman got free to lead his criminal empire, and Ultraman and Superwoman were jailed by A.R.G.U.S.
The team was resurrected sometime after the Darkseid War. After the appearance of the Doom Symbol in the sky, they came to know about Perpetua and tried to gain her notice by trying to start a mass-slaughter on their planet. Their plan was successful as Lex Luthor arrived to their homeworld and took them for an audience with her. She agreed to let the CSA serve her, assigning them the duty of of leading the humans of Earth 3, who she had turned into Apex Predators. Johnny Quick was vaporized by Perpetua for trying to oppose the idea of the CSA working with her, since he saw her as a great evil threat. When they left, Lex remarked he had watched many of them die and even their homeworld was destroyed, yet they were now alive before him. She in turn stated that the multiverse heals itself and sets back things into the order it thinks is correct.
Members:
Ultraman
Owlman
Superwoman
Power Ring
Deathstorm
Supporting Cast:
The Outsider
Former Members:
Johnny Quick (Deceased)
Atomica (Deceased)
The Sea King (Deceased)
J'onn J'onzz (Deceased)
Grid (Prime Earth)