You heard me.
The idea is that the biggest Pay Per View event on the planet is a fighting arena between super heroines. Only the wealthiest and most influential actually get seats to see the fights. They place their bets, and the world watches these girls fight to submission or knock out, the contest always throwing a wild card in, like a weapon or a special guest fighter.
Little do the viewers know, the whole thing is fake. These girls are all friends and partners who get out there and please the paying gamblers, working the system to its biggest profits and viewer satisfaction possible.
Of course, no one knows these girls civilian identities. So they are free to go clubbing and have normal lives, but once they're in the arena, they're actress's and bitter rivals.
I have my character thought out. We can throw in any number of wild cards. Bound arms, being chained together, special melee weapons, tag teams, and new arenas with hazards.