Marvel
| Name | Super Name | Code | Actions |
|---|---|---|---|
| Madelyne Pryor | Madelyne Pryor | Madely… | Show |
| Madison Jeffries | Madison Jeffries | Madiso… | Show |
| Mad Jim Jaspers | Mad Jim Jaspers | Mad-Ji… | Show |
| Madman | Madman | Madman | Show |
| Mad Thinker | Mad Thinker | Mad-Th… | Show |
| Maelstrom | Maelstrom | Maelst… | Show |
| Maestro | Maestro | Maestro | Show |
| Maggott | Maggott | Maggott | Show |
| Magician | Magician | Magici… | Show |
| Magik (Amanda Sefton) | Magik | Magik-… | Show |
| Magik | Magik | Magik | Show |
| Magique | Magique | Magique | Show |
| Magma | Magma | Magma | Show |
| Magma (Jonathan Darque) | Magma | Magma-… | Show |
| Magneto | Magneto | Magneto | Show |
| Magnus Lehnsherr | Magnus Lehnsherr | Magnus… | Show |
| Magus (Technarchy) | Magus | Magus-… | Show |
| Magus | Magus | Magus | Show |
| Maha Yogi | Maha Yogi | Maha-Y… | Show |
| Mahkizmo | Mahkizmo | Mahkiz… | Show |