You vote for the one who you like more, not who's the strongest one in a fight and have fun:
Mr. Terrific (Michael Holt) vs. Professor Ivo
Starro vs. Dr. Mist
The Ocean Master vs. Copper
Lightning (Jennifer Pierce) vs. Tracer
Captain Boomerang (George Harkness) vs. Thundermind
Amazo vs. Phantom Girl
Lady Shiva vs. Green Lantern (Ch'p)
Count Vertigo vs. Bulleteer (Alix Harrow)
The Ray (Ray Terrill) vs. Mammoth
The Cheetah (Barbara Minerva) vs. Ferro Lad
The Wizard vs. Geo-Force
Phantom Lady (Jennifer Knight) vs. The Toyman (Winslow Schott)
Killer Croc vs. Star Boy (Thom Kallor)
Dr. Poison II vs. Crazy Jane
Tula vs. Jinx
Freddy Freeman vs. Gizmo (Mikron O'Jeneus)
The Ultra-Humanite vs. Platinum
Ragman (Rory Regan) vs. Cupid
Shade, the Changing Man vs. The Brain
Mongul I vs. Onyx Adams
Captain Comet vs. Yellow Lantern (Arkillo)
Talia al Ghul vs. Green Lantern (Salaak)
Dr. Sivana vs. Gold
Richard Dragon vs. Polka-Dot Man
Arrowette (Cissie King-Jones) vs. Shimmer
Granny Goodness vs. Tin
Aztek (Uno) vs. Gorgon
Vigilante (Greg Saunders) vs. Monsieur Mallah
Lightning Lord vs. Mr. Miracle (Shilo Norman)
Johnny Quick (Johnny Chambers) vs. Girder
Harley Quinn vs. Matter-Eater Lad
The Psycho-Pirate (Roger Hayden) vs. Lead
Terra-Man vs. Emiko Queen
Rocket Red (Dmitri Pushkin) vs. Manga Khan
Signalman vs. Judomaster (Sonia Sato)
Starman (Mikaal Tomas) vs. Dreamslayer
Vandal Savage vs. Invisible Kid (Lyle Norg)
Kite Man vs. The Peacemaker (Christopher Smith)
Damage vs. Zebra-Man (Jacob Baker)
Shadow Lass vs. Abra Kadabra
Dr. Polaris (Neal Emerson) vs. Mercury
Brainiac vs. Green Lantern (Arisia Rrab)
Mad Harriet vs. Dove (Dawn Granger)
Sandy Hawkins vs. Prometheus II
Lashina vs. Aqualad (Kaldur'ahm)
Dr. Mid-Nite (Pieter Cross) vs. Anarky
Dr. Psycho vs. Amazing-Man (Will Everett III)
Atom Smasher (Al Rothstein) vs. Psimon
Stompa vs. Hawk (Hank Hall)
Bumblebee vs. Dwarfstar
Crimson Fox (D'Aramis twins) vs. Punch II
Professor Zoom vs. Iron
Rip Hunter vs. Lord Havok
The Creeper (Jack Ryder) vs. Evil Star II
Tazmanian Devil vs. Jewelee
Natasha Irons vs. Composite Superman (Joseph Meach)
King Faraday vs. Humpty Dumpty
Speedy (Mia Dearden) vs. Reactron
Wild Dog vs. Crazy Quilt (Paul Dekker)
Firestorm (Raymond & Rusch) vs. The Mist (Kyle Nimbus)
Congorilla vs. The Bug-Eyed Bandit
Lobo vs. I.Q.
Lightning Lass vs. Dr. Diehard
Mr. Terrific (Terry Sloane) vs. The Calculator