Here are the top 5 most powerful Marvel villains based on their abilities, feats, and threat levels:
1. The Beyonder

- Powers: Near-omnipotence, reality warping, manipulation of matter and energy on a universal scale.
- Feats: Created the entire Battleworld, manipulated heroes and villains as playthings, reality itself bends to his will.
- Threat Level: Beyond Multiversal.
- Why: Considered one of the most powerful beings in the Marvel multiverse, essentially a god-like figure.
2. Thanos (with the Infinity Gauntlet)

- Powers: Control over time, space, reality, mind, power, and soul.
- Feats: Snapped half the universe out of existence, fought cosmic entities.
- Threat Level: Universal.
- Why: When wielding the Gauntlet, Thanos has complete dominion over reality itself.
3. God Emperor Doom

- Powers: Reality warping, god-like strength, complete control over the multiverse (during “Secret Wars”).
- Feats: Ruled Battleworld, reshaped reality, defeated powerful cosmic beings.
- Threat Level: Multiversal.
- Why: With the power of the Beyonders, Doom became the supreme ruler of reality.
4. Galactus

- Powers: Cosmic energy manipulation, planet consumption, near-immortal.
- Feats: Destroys entire planets to sustain himself, can manipulate matter and energy on a vast scale.
- Threat Level: Multiversal.
- Why: As a force of nature, Galactus is essential to the cosmic balance, and his power rivals the most potent beings.
5. Dormammu

- Powers: Mastery of dark magic, dimensional control, reality manipulation within his realm.
- Feats: Rules the Dark Dimension, nearly conquered the Earth multiple times.
- Threat Level: Interdimensional.
- Why: His power is immense within the Dark Dimension, where he reigns supreme as a dark god.
Would you like insights into any specific battles or stories featuring these villains?