User blog comment:Doctor Void/Dishonored 2 LEAKED TRAILER!/@comment-26007095-20160612205420/@comment-26007095-20160612210822

She was canonically trapped, as I recall it, and while I'm certainly open to the possibility of it being someone else I do find the resemblance highly suspicious.

Besides, who's to say she wouldn't be able to return from the Void? That would make her a very otherwordly usurper indeed.