New Mutants Vol. 3 (2009-2012) #1

Plot

When their oldest and most powerful foe returns, the original New Mutants must reunite! Cannonball, Sunspot, Magma, Magik and Dani Moonstar race to the rescue of Karma. But Legion has her right where he wants her: locked inside his schizophrenic mind! It's classic mutant action the way you like it! Plus: the return of the beloved Warlock. But if he's so beloved, why does he have that weird look on his face?! Collecting NEW MUTANTS #1-5.