Who Would Win?

Mar-Vell

Air Force pilot, Avenger, cosmic protector

Energy Absorption, Photon Blasts, Flight, Superhuman Strength, Superhuman Durability, Binary Form, Cosmic Awareness

Kree-enhanced suit — relies on cosmic energy absorption powers

currently Avengers, former companion to the X-Men (as Carol Danvers), former member of the Starjammers (as Binary), Former Avenger (as Ms. Marvel)

Nathaniel Richards

Conqueror / Time Traveler

Flight, Super Strength, Stamina, Invulnerability, Telekinesis, Intellect, Teleport, Radar Sense, Force Field, Blast Power, Weapon Master, Magnetism, Fire Control, Insanely Rich, Power Suit, Unarmed Combat, Gadgets, Immortal, Electricity Control, Holographic Projection, Swordsmanship, Electronic Disruption, Levitation, Energy Shield, Time Travel, Gravity control, Marksmanship, Time Manipulation, Energy Absorption, Stealth, Leadership, Longevity

Time Travel Technology, Battle Armor, Temporal Weaponry

Cosmic Avengers, Cosmic Champions, Council of Kangs, Empty Throne, Legion Accursed, Nexus Beings, Savage Avengers, The Chronos Corps