You vote for the one who you like more, not's who's the strongest one in a fight and have fun:
Steel (John Irons) vs. Steel (Hank Heywood III)
Shade (Richard Swift) vs. Sandy Hawkins
Dawnstar vs. Psimon
Atom Smasher (Al Rothstein) vs. The Viking Prince
Ms. Martian vs. Libra
Green Arrow (Connor Hawke) vs. The Tattooed Man (Mark Richards)
Aqualad (Kaldur'ahm) vs. Starman (Mikaal Tomas)
Professor Zoom vs. Max Mercury
King Shark vs. Skyrocket (Celia Forrestal)
Mirror Master (Sam Scudder) vs. Green Lantern (Salaak)
Firestorm (Raymond & Rusch) vs. Blue Lantern (Saint Walker)
Stephanie Brown vs. The Golden Glider
Dr. Mid-Nite (Charles McNider) vs. Shimmer
Captain Atom vs. Blue Jay
Elemental Woman vs. The Ultra-Humanite
Ra's Al Ghul vs. Mon-El
Despero vs. Bloodwynd
Mr. Terrific (Michael Holt) vs. The August General in Iron
Freddy Freeman vs. Riot (Frederick Von Frankenstein)
Cosmic Boy vs. Arion
Klarion the Witch Boy vs. Cyborg Superman (Hank Henshaw)
Chameleon Boy vs. Ambush Bug
Zauriel vs. Weather Wizard
White Lantern (Kyle Rayner) vs. Green Lantern (Arisia Rrab)
The Ray (Ray Terrill) vs. Warp
The Creeper (Jack Ryder) vs. Jericho
Gypsy vs. Merlyn
Ares vs. Bombshell
Agent Orange (Larfleeze) vs. Halo
Dove (Dawn Granger) vs. Rocket Red (Dmitri Pushkin)
Sgt. Rock vs. Brick
Solomon Grundy vs. Agent Liberty (Benjamin Lockwood)
Warlord (Travis Morgan) vs. Circe
Gorilla Grodd vs. Tula
Dr. Light (Kimiyo Hoshi) vs. Rainbow Raider
Fire vs. Darkfire
Dr. Light (Arthur Light) vs. Bunker
Negative Man vs. Celsius
Amazo vs. Terra (Tara Markov)
Lady Shiva vs. Hourman (Rex Tyler)
Kalibak vs. Aztek
Poison Ivy vs. Citizen Steel (Nathan Heywood)
Lobo vs. Mammoth
General Zod vs. Bouncing Boy
Jonah Hex vs. Breach
Mr. Miracle (Shilo Norman) vs. Kobra (Jeffrey Burr)
Obsidian vs. Major Force
Lightning Lad vs. Gizmo
Ragman (Rory Regan) vs. Jinx
Anti-Monitor vs. Power Ring (Jessica Cruz)
Doomsday vs. Cyclone (Maxine Hunkel)
Kid Flash (Bart Allen) vs. Mirage (Miriam Delgado)
Red Lantern (Atrocitus) vs. Looker
Captain Comet vs. Mongul I
Jade (Jennie-Lynn Hayden) vs. Queen Bee (Zazzala)
Mr. Terrific (Terry Sloane) vs. The Pied Piper
Floronic Man vs. Hawk (Hank Hall)
Black Manta vs. Risk
Clayface (Basil Karlo) vs. Bumblebee
S.T.R.I.P.E. vs. Killer Croc
Plastic Man vs. Rampage
Bizarro vs. Detective Chimp
Red Lantern (Dex-Starr) vs. Hitman
Tempest (Garth) vs. Green Lantern (Green Man)