Who Would Win?

Namor

King of Atlantis, mutant

Flight, Super Strength, Super Speed, Agility, Stamina, Invulnerability, Telepathy, Intellect, Radar Sense, Healing, Super Sight, Unarmed Combat, Weather Control, Electricity Control, Sub-Mariner, Animal Control, Water Control, Berserker Strength, Leadership, Longevity

Neptune's Trident, Atlantean armor, ankle wings

All-Winners Squad, Atlanteans, Avengers, Cabal, Council of Elders, Dark X-Men, Deep Six, Defenders, Defenders of the Deep, Fantastic Five, Fantastic Four, Horsemen of Apocalypse, Illuminati, Invaders, Legion of The Skull, Marvel Balls, Oracle Inc., Phoenix Five, Swift Tide, The Quiet Council of Krakoa, X-Gene Mutant, X-Men

Dione

Conqueror, worshiper of Death

Superhuman Strength, Invulnerability, Energy Projection, Telepathy, Cosmic Awareness, Immortality, Genius-Level Intellect, Infinity Gauntlet

Infinity Gauntlet, Thanoscopter (joke), Double-Bladed Sword

Zodiac (ally); formerly Infinity Watch, Defenders