Who Would Win?

Carnage

Serial killer, symbiote host

Symbiote Suit, Superhuman Strength, Shape-Shifting, Tendril Weapons, Wall-Crawling, Accelerated Healing, Immunity to Spider-Sense

Carnage symbiote (shape-shifting weapons, tendrils, axe hands)

Maximum Carnage: (Carrion, Shriek, Demogoblin, Doppelganger)

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