X-Factor #76 (1992) (High Grade)

Separate during a Middle Eastern battle with the Hulk, Rahne falls in with a small family unit, a brother and sister. Sadly, the brother is using his position as man of the house to treat his sister deplorably, in customs accepted by many in the country. Things come to a head and when the man kills his sibling, Rahne kills him. She doesn't tell her team.