Creation Entertainment has made several updated regarding their Supernatural conventions within the last week or so.
Chicago, IL Oct 8-10, 2010–Guests so far are Jared Padalecki, Misha Collins, Travis Wester, AJ Buckley, Richard Speight Jr, Matt Cohen, Brock Kelly, Mark Sheppard, Aldis Hodge and Fred Lehne
Los Angeles, CA Feb 11-13, 2011–Guests so far are Jensen Ackles, Jared Padalecki, Misha Collins, Brock Kelly, and Aldis Hodge
Boston, MA August 5-7, 2011–No guests announced yet
Nashville, TN April 29-May 1, 2011–Guests so far are Jared Padalecki, Misha Collins, and Brock Kelly
Parsippany, NJ July 8-11, 2011–No guests announced yet
San Francisco, CA Jan 14-16, 2011–Guests so far are Jensen Ackles, Jared Padalecki, Misha Collins, Brock Kelly, and Aldis Hodge
Vancouver, BC Aug 26-28, 2011–No guests officially announced, however at the 2010 Vancouver convention they announced that Jensen Ackles, Jared Padalecki, and Misha Collins had already signed on.