Who Would Win?

Raven Darkholme

Spy, assassin, Brotherhood leader

Agility, Stamina, Intellect, Healing, Weapon Master, Chameleon, Shape Shifter, Insanely Rich, Elasticity, Unarmed Combat, Escape Artist, Tracking, Adaptive, Marksmanship, Claws, Stealth, Leadership, Longevity

Firearms, various disguises via shapeshifting — rarely needs equipment

Avengers, Brotherhood of Evil Mutants, Chevaliers, Daily Bugle, Dark X-Men, Freedom Force, Hellfire Academy, Horsemen of Apocalypse, Marauders, Masters of Evil, Mutant Underground, National Security Council, Press Gang, Red Guard, The Hand, The Quiet Council of Krakoa, Weapon X-Force, Wolverines, X-Calibre, X-Corps, X-Factor, X-Gene Mutant, X-Men, Xavier Institute

Galan

Devourer of Worlds, cosmic entity

Flight, Super Strength, Super Speed, Stamina, Invulnerability, Telepathy, Telekinesis, Intellect, Teleport, Psychic, Force Field, Blast Power, Healing, Magic, Super Sight, Super Hearing, Phasing / Ghost, Feral, Psionic, Power Suit, Radiation, Unarmed Combat, Gadgets, Weather Control, Divine Powers, Siphon Abilities, Size Manipulation, Immortal, Tracking, Astral Projection, Possession, Probability Manipulation, Super Eating, Energy-Enhanced Strike, Light Projection, Reality Manpulation, Levitation, Matter Absorption, Dimensional Manipulation, Enhance Mutation, Omni-lingual, Energy Shield, Siphon Lifeforce, Gravity control, Illusion Casting, Earth Manipulation, Genetic Manipulation, Time Manipulation, Power Item, Death Touch, Energy Absorption, Energy Manipulation, Cosmic Awareness, Willpower-Based Constructs, Energy Based Constructs, Berserker Strength, Leadership, Longevity

Worldship Taa II, Ultimate Nullifier, Elemental Converter, heralds

Cosmic Champions, Eternity Watch, Great Powers of the Universe, Proemial Gods, The God Squad