Jaller because Mask of Fate makes him invincible.
I don't know enough about rogue to figure this out
Probably Nuparu because he can fly.
Matoro because he can deflect Iceman's powers back at him.
Kongu would beat Professor but his darkest secrets would be known to the X-Men.
Eh. This might be even.
So, all in all, Inika would win, but Kongu would be shamed forever.