X-Men: Legacy, Vol. 2 #12 (2013)

Invasive Exotic, Part Three
- To shut down the anti-mutant science cult known as 'Darwyn's Martyrs,' Legion is on the verge of making a tremendous sacrifice: forfeiting his mutant powers! - Little does he know, his girlfriend, young X-Man Blindfold, is rushing to his aidand she's recruited her own ragtag team of X-Men to help her! - And another thing Legion may not know? The mastermind behind Darwyn's Martyrs may just be the villain in possession of his deceased father's brain(If you're reading this, Legion: Watch out! It's THE RED SKULL!)
Release Date: 2013