Magneto - Not A Hero (2012)

Collects Magneto: Not A Hero #1-4. The X-Men are shaken when Magneto finally goes villain again, caught on video murdering members of an anti-mutant group. Then, fresh from that brutal and public crime, Magneto forms a new Brotherhood of Evil Mutants -- and the membership will shock you! But is it Magneto or is something even stranger going on?