A strange groan reverberated through the walls and moments later the laboratory exploded in a cloud of cement dust and debris as something came exploding through the drywall, taking out tables and equipment before it came to a stop hovering above Justin and his daughter. The projectile was the head of one of the Sentinels stationed outside and the man responsible for destroying half the laboratory came strolling leisurely in after it through the hole in the wall. Magneto paused a moment for a look around before his gaze settled on the trio and his lips pulled back into a predatory grin.
He'd employed the abilities of a particularly strong telepath on the island to make the trip with him to locate Hammer. What he found in that laboratory was something of a gift- he got his target in Hammer, an unexpected benefit in the S.H.I.E.L.D. agent and a winning card in Hammer's daughter. If the man had even a single paternal bone in his body perhaps he'd be willing to negotiate in return for his daughter's life. He advanced towards man and child now, flipping metal tables out of his way with the flick of a finger.
"Evening," he drawled eventually. "I have a-" Magnus paused, eyebrows raised. "Business proposition to make."