Research: Keystone
Explore the issues, people and worlds behind comic collecting. Connect publication history and story context with prices, graded populations and the financial concepts used in Sniper.
Articles
Character directory ↗Tom Keystone
Marvel Universe character: Tom Keystone
MARVEL · characterKeystone
Human Mutate
MARVEL · locationKeystone Quadrant System
Centuries ago, a group of alien humanoids settled the largest planet called Halfworld in the Keystone Quadrant System.
MARVEL · locationKeystone
After a carnivorous cloud spread out from Mount Rushmore, the Avengers came to Keystone, South Dakota to help the citizenry.Avengers Vol 3 65
DC · locationKeystone City
Keystone City, Kansas is located across the Missouri River from Central City, Missouri, it is the home of the first and third Flash: Jay Garrick and Wally West.
DC · characterThe Keystone Killer
DC Universe character: The Keystone Killer
DC · locationKeystone Motors
Keystone Motors was an automobile manufacturing firm located in Keystone City, Kansas. It had enjoyed recent success, manufacturing 12% more cars in a quarter than any of its competitors in Detroit. One of its most famous cars was the class
DC · locationKeystone Saloon
Keystone Saloon is the oldest bar in Keystone City.
⚔️Multiverse Canon Versus Arena
Simulate authentic head-to-head clashes across heroes, supervillains, gadgets, superpowers, places, and creators.
CANONICAL VERSUS MATCHUP ENGINE50 / 50 Simulation Box
Simulate authentic head-to-head clashes between People (Superheroes & Supervillains), Gadgets, Abilities, or Places.

Doctor Doom
Victor von Doom

Mister Mxyzptlk
Mr. Mxyzptlk
TACTICAL VERDICT: Mister Mxyzptlk triumphs with an estimated 53% win probability. The primary decider was the stark differential in martial combat execution (50 vs 84).
3-Round Encounter Breakdown:
Mister Mxyzptlk dictates early tempo, utilizing superior speed and reflexes (100 vs 20) to evade initial advances and land decisive precision strikes.
Mister Mxyzptlk counters with devastating offensive potency (100 Power rating), breaking through Doctor Doom's forward defensive perimeter.
Exploiting an opening in the late exchanges, Mister Mxyzptlk's elite martial execution (50 Combat) overwhelms Doctor Doom, landing the closing blow to claim the battle.