The site's source reveals that Pike was spotted at the offices of Lucinda Syson, who was the casting director for Matthew Vaughn on his last two films, Kick-Ass and Stardust and who will also likely be casting director of X-Men: First Class, which Vaughn is directing. The site also reports that Pike was spotted carrying a Emma Frost comic book as well.
Of course, none of this has been confirmed as of yet, but we'll be sure to keep you posted on any further X-Men: First Class news as soon as more information arrives.
X-Men: First Class was released June 3rd, 2011 and stars James McAvoy, Laurence Belcher, Michael Fassbender, Bill Milner, Kevin Bacon, Rose Byrne, Jennifer Lawrence, Beth Goddard. The film is directed by Matthew Vaughn.