Poll
69%
31%
0%
Mystique wins, and here's how. She transforms into Juggernaut, tells Hulk that the other Juggernaut(AKA the real one) is Mystique in disguise. Hulk is pretty stupid when it comes to logic, so he goes after the real Juggernaut and they fight until they are both unconcious or dead(if they can die) and Mystique walks away disappointed at how diabollically easy that was for her.
neither hulk or the juggernaught are known to be cunning (we are talking classic hulk kill hulk here) and i m sure mystique would be easy to manipulate them to fight each other. also unlike the other two she knows when to run away. unlike the others whomb get blinded by direct combat. i am sure she will be able to get in a posstion to get into a snipeing posstion. or alternative juggernaught has got a weakness for the women just a few flirts and she will have him under her thumb