Magnus' own eyes narrowed and he tilted his head, coming immediately to the conclusion Pietro likely hoped he would. There was only one 'she' he could possibly care about and, thinking about it, Magnus hadn't seen her in weeks. Mystique could come and go as she pleased and as much as he wanted her to stay it wasn't something he'd ever been able to ask of her, even in the midst of an apocalypse. It was obvious that Pietro knew something, was holding a trump card and he'd got his way. Magnus took the bait. He squared his shoulders and lifted his head, regarding his son in silence for sometime before he finally asked, "Where is she?"