Who Would Win?

Otto Gunther Octavius

Scientist, criminal mastermind

Genius-Level Intellect, Mechanical Tentacles, Superhuman Tentacle Strength, Telepathic Tentacle Control, Expert Engineer, Radiation Specialist

Four titanium-steel tentacles (mentally controlled), various inventions

Thunderbolts Army; Former leader of the Sinister Six and the Masters of Evil V; Former partner of Green Goblin

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