Dude, you obviously don't know much about Wonder Woman. She is incredibly strong, just below Superman by most accounts, she has nearly unlimited stamina and is nearly invulnerable to all forms of injury except piercing injuries. As the Hulk only uses his fists, I don't think that will be a problem. She moves almost as fast as Superman when she wants to, and has a significant healing factor. Not to mention she is an EXTREMELY skilled fighter and a master of amazonian martial arts. The only thing the Hulk has on her is pure raw strength. However, I highly doubt Diana is going to stand there and go punch for punch with him. She may not be able to put him down permanently, but believe me she can certainly keep him occupied and ceratainly has a chance of beating him.
And I forgot to mention, all that I stated above is assuming she's not using any weapons, of which she is a master of almost every weapon known to man, and has many mythical and magical weapons at her disposal.
Martian Manhunter also is just below Superman, and has held his own with Supes on a few occasions, as well as Captain Marvel. He's not as fast as they are, but neither is the Hulk. He can also turn invisible and alter his state. The Hulk would be swinging at nothing, and unless Bruce is in control, that would confuse Hulk. He's also a powerful telepath that could mess with Hulks head. The fire thing doesn't make him vulnerable to fire... He has a phobia which was changed in later years. Again, if they just stood there trading blows eventually Hulk would win, but that's not the way the fight would go down.