As what super villain did the alleged sister of Zaladane appear ?
Zaladane:  She is the alleged sister of Polaris, a claim made at a time when Polaris' own parentage had not yet been confirmed. Polaris (comics):  For most of her publication history, she has been a superheroine, and a member of either the X-Men or one of its sister groups, such as X-Factor, though from 1987 to 1989, she was possessed by a villainous telepathic entity, and functioned as the supervillain Malice.
Malice