Who Would Win?

Robert Bruce Banner

Nuclear physicist, Avenger

Super Strength, Super Speed, Agility, Stamina, Invulnerability, Intellect, Blast Power, Healing, Weapon Master, Super Sight, Shape Shifter, Radiation, Unarmed Combat, Gadgets, Immortal, Tracking, Adaptive, Energy Absorption, Berserker Strength, Longevity

Generally relies on raw power; occasionally: Warbound armor, Banner-tech weapons

Amazing Friends, Avengers, Challengers of Doom, Children of Eternal Light, Cosmic Avengers, Cosmic Champions, Dark Ultimates, Defenders, Fantastic Four, Hard 7, Heralds of Onslaught, Heroes For Hire, Horsemen of Apocalypse, Hulk Gang, Hulkbusters, Human High Council, Illuminati, Immortal Weapons, Maker's Council, Marvel Balls, Marvel Werewolves, Marvel Zombies, Mini-Hulks, New Fantastic Four, Pantheon, S.H.I.E.L.D., S.M.A.S.H., Secret Avengers, Super Hero Squad, T.I.M.E., The Law Enforcement Squad, The Triad, The Vi-Locks, The Worthy, True People Tribe, Ultimates, Warbound, Weapon X, X-Men, X-Saviours

Cain Marko

Adventurer formerly Professional criminal, mercenary, soldier

Super Strength, Super Speed, Stamina, Invulnerability, Force Field, Healing, Magic, Power Suit, Unarmed Combat, Divine Powers, Immortal, Inertia Absorption, Reality Manpulation, Dimensional Manipulation, Energy Shield, Power Item, Energy Absorption, Berserker Strength, Longevity

Crimson Gem of Cyttorak, Helmet (telepathy shield)

Brotherhood of Evil Mutants, Excalibur, Exemplars, Exiles, Horsemen of Apocalypse, Legion Accursed, Legion of X, Lethal Legion, Marvel Zombies, Savage Avengers, The Unstoppables, The Vi-Locks, The Worthy, Thunderbolts, United States Army, X-Men, Xavier Institute