Who Would Win?

J'onn J'onzz

Detective, Justice League member

Shape-Shifting, Telepathy, Superhuman Strength, Flight, Intangibility, Invisibility, Martian Vision, Regeneration

Martian technology (rarely used — relies on innate powers)

Darkstars, Justice League of Aliens, Justice League Of America, Justice League Task Force, Justice League Unlimited, Martians, Outsiders

None

Antihero, lethal protector

Super Strength, Super Speed, Agility, Stamina, Invulnerability, Telepathy, Intellect, Healing, Chameleon, Shape Shifter, Feral, Elasticity, Unarmed Combat, Siphon Abilities, Size Manipulation, Wall Clinger, Escape Artist, Tracking, Danger Sense, Possession, Adaptive, Super Eating, Matter Absorption, Enhance Mutation, Siphon Lifeforce, Power Mimicry, Empathy, Claws, Stealth, Berserker Strength, Webslinger

Venom symbiote (shape-shifting, web generation, camouflage, fangs, tendrils)

A.I.M., Agents of the Cosmos, Avengers, Central Intelligence Agency, Circle of Four, Cosmic Champions, Cosmic Strangers, Dark Avengers, Fantastic Four, Guardians of the Galaxy, Horsemen of Apocalypse, HYDRA, Landau, Luckman, and Lake, Legion of The Skull, Masters of Evil, New Fantastic Four, S.H.I.E.L.D., Savage Avengers, Secret Avengers, Sinister Six, Symbiotes, Team Venom, The Chronos Corps, The Initiative, The Resistance, Thunderbolts, Thunderbolts Army, Wild Pack, X-Force