The following is the list of the Spirits from the Metal Gear series in Super Smash Bros. Ultimate.
| Name | Type | Class | Ability | Origin game |
|---|---|---|---|---|
| Hal Emmerich | Support | Beam Sword Equipped | Metal Gear Solid 4: Guns of the Patriots | |
| Naked Snake | Metal Gear Solid 3: Snake Eater | |||
| EVA | Metal Gear Solid 3: Snake Eater | |||
| The Boss | Metal Gear Solid 3: Snake Eater | |||
| Revolver Ocelot (Metal Gear Solid 3) | Primary | Advanced | Grab | Metal Gear Solid 3: Snake Eater |
| Liquid Snake | Metal Gear Solid | |||
| Solidus Snake | Metal Gear Solid 2: Sons of Liberty | |||
| Kazuhira Miller | Metal Gear Solid V: The Phantom Pain | |||
| Big Boss | Metal Gear Solid V: Ground Zeroes | |||
| Gekkos | Metal Gear Solid 4: Guns of the Patriots |