Hmm...let me see, let me see...Let me try this...
Leader: Zordon
Heavy Weapons: Frank "The Punisher" Castle
Stealth: Batman
Sniper: Green Arrow
Close Quarters: Spider-Man
Medic: Cecil Harvey
Air support: Star Fox
Tech specialist: Oracle
Wild card: Dark Claw
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Tech Support - Oracle Formerly Batgirl and always Barbra Gordon, seemed like a good choice for me. Don't know how useful she'd be for space based missions and, missions against Aliens.
Air Support - Star Fox! An ace pilot trained in a few vehicles but most likely seen in the Arwing.
Medic - Cecil Harvey from Final Fantasy IV. I figure, since he's a paladin, if shit goes horribly wrong he can still fight his way out. I figure he's a great multi-tasker, especially considering his magical affinity.
CQC - Spider-Man. He's freaking Spider-Man! His Spidy-Sense and, heightened speed will keep you from touching him until he punches your nuts or, kicks your face. Also, unlike similar heroes, he can jump up and cling to walls and ceilings to really throw off any attackers.
Stealth - Batman. He's Batman and could have been used for every other category excluding the sniper one.
Heavy Weapons - The Punisher. Like the one above only in bold and caps,
HE'S THE FUCKING PUNISHER. The Punisher is a Marvel Super Hero whose power is fucking GUNS (also a military background and extreme survival skills) and the ability to use all kinds of Guns including ones from other planets and dimensions.
Sniper - Green Arrow. I honestly couldn't think of a better one. It was either him or Hawkeye and I don't know how accurate Hawkeye would have been firing a fist from his bow.
Leader - Zordon. I don't see who else could have possibly brought all of these people together and I don't know of anyone else who could get them to work together.
Wild Card - Dark Claw. Have you guys and gals ever heard of Amalgam Comics? Well I'll show you a pic and let you draw conclusions about why Dark Claw is my Wild Card: