Avengers Iron mutant

When Tony gets a call from one of is old professor's he is none to happy by what's he's told.
The brotherhood a group of rouge mutant's have found a way to not only control but find the most powerful mutant alive.
But in order to keep his secret he must lie to his new and old team.
How long till they find out who Anthony Edward Stark really is, and what he can really do.

I'm horrible at descriptions. In other words don't judge a book by its cover.