You vote for the one who you like more, not who's the strongest in a fight and have fun:
Mr. Terrific (Terry Sloane) vs. Mr. Terrific (Michael Holt)
Lightning Lad vs. Livewire (Leslie Willis)
Atom (Ryan Choi) vs. August General in Iron
Rocket Red (Dmitri Pushkin) vs. Pozhar
Zauriel vs. Raven
Ice vs. Equinox (Miiyahbin Marten)
O.M.A.C. (Kevin Kho) vs. Maxwell Lord
The Ray (Raymond Terrill) vs. Sunny Jim
Lobo vs. Starman (Prince Gavyn)
The Ultra-Humanite vs. Hawkfire (Bette Kane)
Geo-Mancer vs. Major Disaster
Dr. Mid-Nite (Pieter Cross) vs. Citizen Steel (Nathaniel Heywood)
Indigo-1 vs. Captain Atom
The Spoiler (Stephanie Brown) vs. I...Vampire
Maya vs. Solstice
Red Lantern (Guy Gardner) vs. G.I. Robot (Lord Job)
Heat Wave vs. Fire
Mr. Freeze vs. Tula
Nightwing (Lor-Zod) vs. Flamebird (Thara Ak-Var)
White Lantern (Kyle Rayner) vs. Jaco O'Lantern (Liam McHugh)
Swamp Thing (Alec Holland) vs. Beaumont
Ya'Wara vs. Poison Ivy
Brainiac vs. Shaolin Robot
Black Lightning vs. Starro
Ibis the Invincible (Prince Amentep) vs. Osiris (Oman Tomaz)
Gorilla Grodd vs. Jayna
Blue Devil vs. Tasmanian Devil
Harley Quinn vs. Toyman (Winslow Schott)
R.A.M. (Takeo Yakata) vs. Green Lantern (Arisia Rrab)
Big Barda vs. Artemis of Bana-Mighdall
Anti-Monitor vs. Cyborg (Victor Stone)
Lex Luthor vs. Doomsday
Jet vs. Green Lantern (Soranik Natu)
Black Adam vs. Northwind
Ares vs. Fury (Helena Kosmatos)
Gloss vs. Blue Lantern (Saint Walker)
Halo vs. Vixen
Man-Bat vs. Batwing (Luke Fox)
Gypsy vs. Sinestro
Golden Eagle (Ch'Al Andar) vs. Blackfire
Timothy Hunter vs. Solomon Grundy
Sun Boy vs. Killer Frost (Louise Lincoln)
Freddy Freeman vs. Isis
Duplicate Girl vs. Multiplex
Firefly (Garfield Lynns) vs. Etrigan the Demon
Lightning Lass vs. Nina Mazursky
Merlyn vs. Green Arrow (Connor Hawke)
Timber Wolf vs. Warren Griffith
Uncle Sam vs. Bizarro
Black Manta vs. Zan
Red Hood (Jason Todd) vs. Sirocco (Khalid)
Wonder Girl (Cassandra Sandsmark) vs. The Olympian (Achilles Warkiller)
Looker vs. John Constantine
Green Lantern (Simon Baz) vs. Ramban
Count Vertigo vs. Freedom Beast
Richard Dragon vs. Two-Face
Granny Goodness vs. Red Star (Leonid Kovar)
Amethyst vs. Black Orchid (Alba Garcia)
Icon vs. Professor Zoom
Frankenstein vs. Lady Frankenstein
Black Mask (Roman Sionis) vs. Elongated Man
Robin (Damian Wayne) vs. Knight (Beryl Hutchinson)
Shade (Richard Swift) vs. Shade the Changing Man
Firestorm (Raymond & Rusch) vs. Firehawk (Lorraine Reilly)