Lady Xorn or Xorna is a member of the Brotherhood of the Future whose purpose is to make the Original Five go back to the past.
Lady Xorn like Xorn wears a mask to hide her secret identity and maintain her power. Her design is familiar to that of Xorn's with chains but in more female way.
"Battle of the Atom" is a 10-part comic book crossover storyline published by Marvel Comics that debuted in September and October 2013 and ran through multiple X-Men books.

The story involves the X-Men of the future traveling to present time in order to force the All-New X-Men (original five X-Men) to return to their rightful time, as their presence in the current timeline will result in disastrous consequences
Base figure Phoenix
Ms. Marvel Head, Xorn helmet
Scarlet Witch cape