I think these previews are from the 3rd issue of Dark X-Men: The Beginning (Newsarama mashed a bunch of related previews together). The links below all prominently feature Aurora.
http://www.newsarama.com/php/multime...d=1240&page=24
http://www.newsarama.com/php/multime...d=1240&page=25
http://www.newsarama.com/php/multime...d=1240&page=26
http://www.newsarama.com/php/multime...d=1240&page=27