Marvel
| Name | Super Name | Code | Actions |
|---|---|---|---|
| Maggott | Maggott | Maggott | Show |
| Maestro | Maestro | Maestro | Show |
| Maelstrom | Maelstrom | Maelst… | Show |
| Mad Thinker | Mad Thinker | Mad-Th… | Show |
| Madman | Madman | Madman | Show |
| Mad Jim Jaspers | Mad Jim Jaspers | Mad-Ji… | Show |
| Madison Jeffries | Madison Jeffries | Madiso… | Show |
| Madelyne Pryor | Madelyne Pryor | Madely… | Show |
| Mad Dog | Mad Dog | Mad-Dog | Show |
| Madcap | Madcap | Madcap | Show |
| Madame Web (Julia Carpenter) | Madame Web | Madame… | Show |
| Madame Masque | Madame Masque | Madame… | Show |
| Machine Teen | Machine Teen | Machin… | Show |
| Machinesmith | Machinesmith | Machin… | Show |
| Machine Man | Machine Man | Machin… | Show |
| Machete | Machete | Machete | Show |
| M | M | M | Show |
| Lyja | Lyja | Lyja | Show |
| Lupo | Lupo | Lupo | Show |
| Lunatik | Lunatik | Lunatik | Show |