Magneto uncovers the existence of X-Force and the only way he'll keep the team's secret is if they assassinate a mysterious figure from his past! Who is so important that Magneto would employ such methodology? Why can't he do the deed himself?

Magneto uncovers the existence of X-Force and the only way he'll keep the team's secret is if they assassinate a mysterious figure from his past! Who is so important that Magneto would employ such methodology? Why can't he do the deed himself?