You vote for the one who you like more, not's who's the strongest one in a fight and have fun:
Black Adam vs. Dr. Mid-Nite (Pieter Cross)
Felix Faust vs. The Peacemaker (Christopher Smith)
Vigilante (Greg Sanders) vs. Green Lantern (Salaak)
Robin (Damian Wayne) vs. Dr. Sivana
Malcolm Duncan vs. Shadow Lass
The Ocean Master vs. Sun Boy
S.T.R.I.P.E. vs. Warlord (Travis Morgan)
The Red Hood (Jason Todd) vs. Mr. Mind
The Ultra-Humanite vs. Bunker
Obsidian vs. Ian Karkull
The Floronic Man vs. Vulcan (Miguel Devante)
Sandman (Morpheus) vs. Dreamslayer I
Jonah Hex vs. Relic
Static vs. Deathbolt
Mr. Mxyzptlk vs. Blue Devil
Fire vs. Dr. Diehard (Hans Leckter)
Jesse Quick vs. Multiplex
Kamandi vs. Time Trapper
Ice vs. Lord Havok I
Superboy (Kon-El) vs. Imperiex
Katana vs. Dr. Cyber
Nightshade vs. Trigon
Green Arrow (Connor Hawke) vs. Wotan
Talia al Ghul vs. Hourman (Matthew Tyler)
Richard Dragon vs. Mongul I
Jade (Jennie-Lynn Hayden) vs. Baron Blitzkrieg
Manhunter (Kate Spencer) vs. Queen of Fables
Detective Chimp vs. Wild Dog
Lady Blackhawk vs. Johnny Sorrow
Frankenstein vs. Gorgon (Arnold Mortimer)
B'wana Beast vs. Matter-Eater Lad
Giganta vs. Shrinking Violet
White Lantern (Kyle Rayner) vs. Solaris
Shade, the Changing Man vs. Magog
Wonder Girl (Cassandra Sandsmark) vs. Queen Clea
Etrigan the Demon vs. Dr. Destiny
Zauriel vs. Uncle Sam
Batman (Terry McGinnis) vs. Mordru
Captain Boomerang (George Harkness) vs. Green Lantern (Tomar-Re)
Citizen Steel (Nathan Heywood) vs. Apollo (Andrew Pulaski)
Orion vs. Grail
Mr. Terrific (Michael Holt) vs. The Wizard
Sgt. Rock vs. Midnighter
Mr. Freeze vs. Val-Zod
Red Lantern (Guy Gardner) vs. Volthoom
The Ray (Ray Terrill) vs. Cassandra Cain
Kid Flash (Bart Allen) vs. The Mist (Kyle Nimbus)
Azrael (Jean-Paul Valley) vs. The Rag Doll (Peter Merkel, Jr.)
Bronze Tiger vs. Tracer (Vincent Cade)
Negative Man vs. Tokamak
Aztek vs. Lobo
Robotman (Cliff Steele) vs. Professor Ivo
Gorilla Grodd vs. Tomcat
Ambus Bug vs. Krona
The Shade (Richard Swift) vs. Bouncing Boy
Ragman (Rory Regan) vs. Brainwave (Henry King, Jr.)
Rip Hunter vs. T.O. Morrow
Hitman vs. Sandy Hawkins
Metron vs. Jakeem Thunder
Granny Goodness vs. Saturn Girl
Lilith Clay vs. Star Boy
Heat Wave vs. Timber Wolf
The Shining Knight (Sir Justin) vs. Green Lantern (Arisia Rrab)
Vandal Savage vs. Sandman (Wesley Dodds)