Marvel
| Name | Super Name | Code | Actions |
|---|---|---|---|
| Mendel Stromm | Mendel Stromm | Mendel… | Show |
| Mentallo | Mentallo | Mental… | Show |
| Mentor (Imperial Guard) | Mentor | Mentor… | Show |
| Mephisto | Mephisto | Mephis… | Show |
| Mercurio the 4-D Man | Mercurio the 4-D Man | Mercur… | Show |
| Mercury | Mercury | Mercury | Show |
| Mercy | Mercy | Mercy | Show |
| Merlin | Merlin | Merlin | Show |
| Merlyn | Merlyn | Merlyn | Show |
| Mesmero | Mesmero | Mesmero | Show |
| Metal Master | Metal Master | Metal-… | Show |
| Mettle | Mettle | Mettle | Show |
| Michael Pointer | Michael Pointer | Michae… | Show |
| Michael Van Patrick | Michael Van Patrick | Michae… | Show |
| Micromax | Micromax | Microm… | Show |
| Midas | Midas | Midas | Show |
| Midgard Serpent | Midgard Serpent | Midgar… | Show |
| Midnight's Fire | Midnight's Fire | Midnig… | Show |
| Midnight Sun | Midnight Sun | Midnig… | Show |
| Miek | Miek | Miek | Show |