Secret superteam created by Henry Bendix.

The Strange Academy is an education institute in New Orleans founded by Doctor Strange, to prepare the next generation of magic users to protect the world.

Beings the Stranger Captured.

The Street Demonz began as a Gotham City biker gang numbering among its members people named Skorp, Swizz, Arnie, Brute, Slimer, and Pigpen.

Street gangs are group of thugs who commit crimes as an organization. They are usually marked by uniforming marks, clothing and or tattoos.

Undead from Romainan folklore.

Ancient Priests of the Court of Owls, Judas Tribe, and Barbatos

STRIKE (Special Tactical Reserve for International Key Emergencies) was a counter-terrorist Special Mission Unit of S.H.I.E.L.D.​ led by Brock Rumlow. Steve Rogers and Natasha Romanoff participated in some of their operations.

After a number of Avengers allies are targeted by shape-shifting fairyfolk, displaced after the War of the Realms, Blade leads them against these new foes as Strikeforce.

European freedom militia and terrorist cell

The original Strike Force Kobra was a team set to combat Batman and his Outsiders. Later, Eve, the paramour to Kobra, formed a paranormal special ops team naming them Strike Force Kobra to get revenge against the new Outsiders.

Strikeforce Morituri were a superhuman team opposing alien invaders in the not-so distant future. Undergoing the "Morituri Process", each member were given superpowers but at the cost of them only having at most a year to live.

Genetic duplicates of the Heroes For Hire given memories of the Master of the World and programmed to serve him

Strikeforce X are a team of violent, relentless adamantium-laced super-soliders created to hunt and kill Wolverine. They are highly trained and technologically-advanced.

The Strong Family is a family of science heroes of Earth-25 led by Tom Strong. Together with his wife Dhalua, their daughter Tesla, the robotic manservant Pnueman, and pet mascot King Solomon, this heroic family protects Millennium City many dangers no matter how ancient or advance they may be.

These are the guards of Stronghold Penitentiary.

Fan club of Tom Strong. Similar to the original Supermen of America.

An alien species from the Marvel Universe with powers and abilities extremely similar to DC Comics Kryptonians.

A mercenary team led by Morgan Stryker of CyberForce. The team travels the globe performing missions including protection, retrieval, and intervention, for the right price.

Defeating the Stymphalian birds was one of Hercules' labours.

Jacob Eishorn and Gerald Stone are a criminal duo who are enemies of Spider-Man.

SublimeCorp, founded by John Sublime (The guy from Weapon X), is a powerful company in the Marvel Universe. A group of humans who were given powers by Sublime, led by Lobe, seem to have taken over his work and have become very prominent enemies of the X-Men in San Francisco.

Submen are a race of albino people on Third Earth.

A secret underground criminal cadre that operated in Metropolis.

Subterraneans are cloned slaves created by the Deviants. They are also known as Moloids or Tyranoids.

A group of suburban ninja living in New Jersey

A succubus is a type of female demon, typically known for seducing men and stealing their souls, semen or both. Though various cultures tell tales of these devious demonesses, the one thing they have in common are the problems they create for their victims, sometimes inducing physical or mental sickness and even death.

The all-female, all-American and all-ass-kicking survivors of a world ravished by Nazi Zombies!

The Suicide Jockeys are flying Apokoliptian warriors that detonate in proximity to their targets in order to conduct kamikaze-style attacks against their enemies.

A constantly changing black ops group composed primarily of incarcerated super-villains who perform black ops missions with a low chance of survival in exchange for the possibility of a shortened sentence. This "squad" was organized and put together by Amanda Waller. The official name is "Task Force X", it's nickname is the "Suicide Squad".

The Suicide Squad Black is a subdivision of the Suicide Squad that deals with magical threats with most of it's members also being magical.

Is a ninja clan organization.

In Earth-1191, all mutants are confined in camps and branded. It's not right and they are going to change things.

A musical band of teens.

A team of cosmic adventurers.

Pirate crew led by All-Beard

A tribe that lives in the Savage Land that worship the Sun-God Garokk.

A group of Japanese soldiers who refused to surrender after WWII.

A gang of criminals who use a weapon to transform humans into animals.

Sun Villagers/Sun Folk