1 Captain America vs Batman
Batman. Because he's Batman.
2 Quicksilver vs The Flash
Flash. By a landslide. The only question is would Wally West finish Pietro faster than Barry Allen? And the answer is "yes".
3 Iron Man vs Bizarro
Bizarro. Maybe I'm still bitter after that Avengers: AoU movie. Stark would have to pull out the Hulkbuster and even then it might not be enough for this reverse Superman.
4 Spiderman vs Blue Beetle
Spider-Man. Love Ted Kord Blue Beetle, but Peter Parker is too much for him. He's got cooler gadgets tho.
5 Invisible Woman vs Cyborg
Invisible Woman. How did they even rationalize this pairing?
6 Hulk vs Superman
Superman. Power on one side. Power and brains on the other.
7 Storm vs Wonder Woman
Wonder Woman. That Storm won the first encounter is a sign of how popular the X-Men were. Screw the ungrateful Mouse for ostracizing them now.
8 Silver Surfer vs Green Lantern
Silver Surfer. Too much for one Lantern to tackle alone.
9 Mr Fantastic vs Elongated Man
Elongated Man. More experience. He's been stretching since 1960 and Reed Richards since 1961. He's also got a stronger marriage thanks to Namor.
10 Daredevil vs Nightwing
Daredevil. Love Nightwing but Daredevil has been using his sticks longer. Even trained by a guy named Stick. Would make a wicked stick battle tho.
11 Green Goblin vs Joker
Joker. Crazier wins out.
12 Kingpin vs Lex Luthor
Lex Luthor. The last I checked, Wilson Fisk didn't use mechanized suits. He also hasn't been President.
13 Dr Doom vs Captain Atom
Dr. Doom. Love Captain Atom but Doom is a bad @$$, and the Captain isn't given proper respect by his own company even.
14 Iceman vs Mr Freeze
Draw. Are they seriously gonna try and out-cold one another?
15 Deadpool vs Deathstroke
Deathstroke. He's taken down the Justice League. Plus, he'd take the fight more seriously.
16 Lizard vs Killer Croc
Killer Croc. Criminal/circus performer is a harder foundation than scientist.
17 Venom vs Bane
Venom. Symbiote should have no problem slicing those venom tubes. If the tactical Bane shows up though...
18 Human Torch vs Fire
Human Torch. Fire has always been a nice Justice League member, but I can't think of her grand moments. Human Torch on the other hand is the most popular fire-based hero out there.
19 Nightcrawler vs Beast Boy
Beast Boy. Shape changing from a fly to an elephant is quite a feat.
20 Thor vs Captain Marvel
Draw. Both command the lightning. One has Superman level strength. The other wields Mjolnir. Too close to call.
21 Wolverine vs Lobo
Lobo. I miss the days when Logan was just a man with an Adamantium skeleton and healing factor. Made for more compelling stories.
22 Elektra vs Catwoman
Elektra. One of the greatest Hand ninjas who's notoriously hard to kill versus a cat-burglar?
23 Hydro-Man vs Aquaman
Aquaman. You're going to splash someone who lives in the depths? Should've brought on Namor.
24 Electro vs Black Lightning
Black Lightning. Cooler costume and he wasn't a laughable Jamie Foxx on the big screen.
25 Robin (Drake) vs Jubilee
Robin. The kid revolutionized the Robin mantle by adding pants. Only chance for Jubilee is in a mall environment.
25 Phoenix vs Mongul
Phoenix. Fire and life incarnate.