If we can't get them as a 5* (bosses not included) we shouldn't have to fight them either.
It's been established that they will not release a 5* version of wolverine, scarlet witch, and plenty other champs, ever. Now, it's pretty shady because you are admitting that if you released them for player use they would either make the game too easy, or most importantly you'd lose money because of their regens. Either way if we can't have them for our own use, take them out of the game completely then. It's insulting seeing that it's already coded and in the game but you refuse to let us have them because you'd lose money, but we still have to fight them.... of course I'm not speaking about boss characters, just regular champs.