Wizard World has been advised that Nathan Fillion will be unable to attend Wizard World Philadelphia Comic Con because of an unexpected scheduling conflict. They are getting word out to fans and offering refunds.

All VIP Tickets, Serenity VIP Tickets, Photo Ops, Dual Photo Ops, Group Photo Ops and Autographs will be refunded, please allow a few days for processing. If you still wish to attend Philadelphia Comic Con, you can repurchase tickets at wizardworld.com, email support@ticketleap.com, or call them directly at 877-849-5327 to exchange your tickets and receive a partial refund or pay the difference for a new ticket. Thank you for your support and understanding.

Wizard World Philadelphia will still be hosting other beloved crewmembers from Firefly, and Serenity including Summer Glau, Adam Baldwin, and Jewel Staite. They will be joined by other standout celebrities attending include William Shatner, Eisner Award Hall of Famer Stan Lee, The Walking Dead trio of Michael Rooker, Norman Reedus and Jon Bernthal, Manu Bennett and many others.

Torchwood and Zero Dark Thirty star John Barrowman along with WWE Superstars John Cena and Daniel Bryan top the list of celebrity guests scheduled to appear at the event, May 30 – June 2 at the Pennsylvania Convention Center.

Superstar comics creators scheduled to attend include Bryan Hitch, Salvador Larroca, Leinil Yu and Barry Kitson.

Additionally, all full price attendees will receive a free copy of the Exclusive Variant Cover of The Walking Dead #1 comic, available only at Wizard World Philadelphia Comic Con.

Wizard World Comic Con events bring together thousands of fans of all ages to celebrate the best in pop-fi, pop culture, movies, graphic novels, comics, toys, video gaming, television, sci-fi, gaming, original art, collectibles, contests and more.  Wizard World Philadelphia Comic Con show hours are Thursday, May 30, 3-8 p.m.; Friday, May 31, noon – 7 p.m.; Saturday, June 1, 10 a.m. – 7 p.m., Sunday, June 2, 10 a.m. – 5 p.m.