You vote for the one who you like more, not's who's the strongest one in a fight and have fun:
Batwoman (Kate Kane) vs. Judomaster (Sonia Sato)
Sandy Hawkins vs. Hugo Strange
Freddy Freeman vs. Tigress (Artemis Crock)
Orion vs. Tazmanian Devil
Starman (Mikaal Tomas) vs. Desaad
Brainiac 5 vs. Green Lantern (Tomar-Re)
The Ultra-Humanite vs. Icon
Stephanie Brown vs. Lashina
Ice vs. Silver Sorceress
Cyborg Superman (Hank Henshaw) vs. Kamandi
Wonder Girl (Cassandra Sandsmark) vs. The Mad Hatter (Jervis Tetch)
Jericho vs. Cheshire
Deathstroke vs. Jayna
Halo vs. Blockbuster (Mark Desmond)
Ms. Martian vs. The Enchantress
Static vs. Bette Kane
Tula vs. Icicle (Cameron Mahkent)
Mary Marvel vs. Bulleteer
Bouncing Boy vs. Livewire (Leslie Willis)
Robin (Damian Wayne) vs. Prometheus II
Kobra (Jeffrey Burr) vs. B'wana Beast
Manhunter (Kate Spencer) vs. Giganta (Doris Zeul)
Cyclone (Maxine Hunkel) vs. Firefly (Garfield Lynns)
Jesse Quick vs. Zan
Detective Chimp vs. Felix Faust
Lightning Lad vs. Stompa
Brainiac vs. Kole
Mon-El vs. Roxy Rocket
Tempest (Garth) vs. Blue Lantern (Saint Walker)
Frankenstein vs. Green Lantern (Soranik Natu)
Hitman vs. Roulette
The Scarecrow vs. Rip Hunter
The Golden Glider vs. Elasti-Girl
Robotman (Cliff Steele) vs. Starro
Merlyn vs. Sandman (Wesley Dodds)
Fire vs. Mr. Mind
Bumblebee vs. Count Vertigo
Steel (Hank Heywood III) vs. The Gentleman Ghost
Black Manta vs. Nightshade
Solomon Grundy vs. Madame Xanadu
Hawk (Hank Hall) vs. Guardian (Jim Harper)
Max Mercury vs. Sportsmaster (Lawrence Crock)
Negative Man vs. Ultra the Multi-Alien
Killer Croc vs. Malcolm Duncan
Rocket Red (Dmitri Pushkin) vs. Maxie Zeus
Green Arrow (Connor Hawke) vs. Cassandra Cain
Aztek vs. Kanto
Mongul I vs. The Shining Knight (Sir Justin)
Terra (Tara Markov) vs. Lilith Clay
Chameleon Boy vs. Green Lantern (Ch'p)
Queen Bee (Zazzala) vs. Mento
Ra's Al Ghul vs. Black Orchid (Alba Garcia)
Ares vs. Dr. Mid-Nite (Pieter Cross)
Skyrocket (Celia Forrestal) vs. Mr. Mxyzptlk
Professor Zoom vs. 'Mazing Man
Shade (Richard Swift) vs. Damage
The Pied Piper vs. Man-Bat
Dove (Dawn Granger) vs. Lady Blackhawk
Weather Wizard vs. Lagoon Boy
Ambush Bug vs. Granny Goodness
White Lantern (Kyle Rayner) vs. Metron
The Ray (Ray Terrill) vs. Mad Harriet
The Tattooed Man (Mark Richards) vs. Vigilante (Greg Sanders)
Black Lightning vs. Triumph