Iron Man

Doctor Doom matches Iron Man's tech and adds mastery of sorcery, making him the more complete combatant.

Without the Hulkbuster, Iron Man can't output enough damage to keep up with Hulk's escalating rage.

Thor's godlike power and magic-based attacks overwhelm Iron Man's tech-based defenses.

Iron Man's suit gives him superhuman abilities that Batman's peak-human physiology can't match.

No amount of Stark tech can bridge the gap against a Kryptonian powerhouse.

The suit's technological superiority eventually overcomes Cap's combat skill — as we've seen in Civil War.

Iron Man's suit firepower and flight overcome Spider-Man's agility in a surprisingly competitive fight.

Flight and ranged attacks keep Wolverine at bay — Logan can't cut what he can't reach.

Gojo's Infinity barrier and Hollow Purple make Iron Man's technological arsenal effectively useless.

Iron Man's repulsor technology and sonic weapons perfectly counter Venom's symbiote weaknesses.

Iron Man's superior technology, adaptability, and tactical genius give him the edge over Homelander's raw power.

Iron Man's superior technology and flight capabilities overcome Vader's Force powers in a direct fight.

Iron Man's suit provides overwhelming firepower that keeps Deadpool permanently suppressed.

Universal-tier power vs a man in a robot suit — the technology gap is irrelevant at this scale.

Omni-Man's planet-level power and FTL speed exceed what even Iron Man's best suits can match.

Iron Man's armored suit, flight, and energy weapons completely outclass Daredevil's street-level abilities.

Ghost Rider's supernatural attacks bypass Iron Man's technology, and the Spirit of Vengeance cannot be defeated by conventional weapons.