Who Would Win?

Ororo Munroe

X-Men leader, former Queen of Wakanda

Flight, Super Strength, Super Speed, Agility, Stamina, Invulnerability, Intellect, Teleport, Blast Power, Healing, Magic, Weapon Master, Super Sight, Invisibility, Magnetism, Fire Control, Psionic, Unarmed Combat, Weather Control, Immortal, Electricity Control, Ice Control, Sub-Mariner, Swordsmanship, Wind Bursts, Marksmanship, Water Control, Energy Absorption, Energy Manipulation, Cosmic Awareness, Heat Generation, Energy Based Constructs, Leadership, Ice Breath

X-Men uniform, lockpicking tools (from thief days), Wakandan tech (formerly)

A-Force, Avengers, Brides of Set, Brotherhood of Arakko , Brotherhood of Mutants, Cosmic Champions, Fantastic Four, Galactic Council, Genoshan Mutates, Gods of Wakanda, Great Ring of Arakko, Hellfire Club, Heralds, Holy Guard, Horsemen of Apocalypse, Horsemen of Salvation, Jean Grey Academy, Lady Liberators, Marauders, Morlocks, New Mutants, Outlaw Avengers, Polaris' X-Men, Storm's squad, Swordbearers of Krakoa, The Crew, The Quiet Council of Krakoa, The Six, The Twelve, The Vi-Locks, Thor Corps, Utopia's Security Recon, Vizier's Guard, Weapon X, X-Force, X-Gene Mutant, X-Men, X-Saviours, X-Treme Sanctions Executive

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