Marvel
| Name | Super Name | Code | Actions |
|---|---|---|---|
| Silverclaw | Silverclaw | Silver… | Show |
| Silver Dagger | Silver Dagger | Silver… | Show |
| Silver Fox | Silver Fox | Silver… | Show |
| Silvermane | Silvermane | Silver… | Show |
| Silver Sable | Silver Sable | Silver… | Show |
| Silver Samurai | Silver Samurai | Silver… | Show |
| Silver Surfer | Silver Surfer | Silver… | Show |
| Sin | Sin | Sin | Show |
| Sin-Eater | Sin-Eater | Sin-Ea… | Show |
| Sirocco | Sirocco | Sirocco | Show |
| Siryn | Siryn | Siryn | Show |
| Skaar | Skaar | Skaar | Show |
| Skein | Skein | Skein | Show |
| Skids | Skids | Skids | Show |
| Skin | Skin | Skin | Show |
| Skornn | Skornn | Skornn | Show |
| Skrullian Skymaster | Skrullian Skymaster | Skrull… | Show |
| Skullbuster | Skullbuster | Skullb… | Show |
| Skullfire | Skullfire | Skullf… | Show |
| Skull the Slayer | Skull the Slayer | Skull-… | Show |