Wizard World Chicago History Dates and locations

| Dates | Location_ | Attendance | Official_guests | Notes_ |
|---|---|---|---|---|
| August 8–10, 2003 | Rosemont Convention Center | TK | Mark Bagley, Laura Bailey, Eric Basaldua, Scott Beatty, Tony Bedard, Brian Michael Bendis, Lee Bermejo, Josh Blaylock, Talent Caldwell, John Cassaday, Jim Cheung, Scott Ciencin, Amanda Conner, Tony Daniel, Nelson Decastro, Andrea Di Vito, Paul Dini, Chuck Dixon, Dale Eaglesham, Steve Epting, Lou Ferrigno, Jackson Guice, Gene Ha, Greg Horn, Paul Jenkins, Phil Jiminez, Geoff Johns, Jeff Johnson, Barbara Kesel, Adam Kubert, Greg Land, Erik Larsen, Jim Lee, Joseph Michael Linsner, Jeph Loeb, Jim Mahfood, Steve McNiven, Angel Medina, Mark Millar, Karl Moline, Steve Niles, Phil Noto, Jimmy Palmiotti, Paul Pelletier, Brandon Peterson, Eric Powell, Joe Quesada, Humberto Ramos, Robert Rodi, Alex Ross, R.A. Salvatore, Bart Sears, Marc Silvestri, Kevin Smith, Matthew Dow Smith, Peter Steigerwald, Philip Tan, Michael Turner, Jim Valentino, Brian K. Vaughn, Mark Waid, Judd Winick, and Skottie Young |  |
| August 13–15, 2004 | Rosemont Convention Center |  | Guest of honor: Joss Whedon. Special guests: Kelly Hu and Amber Benson. Other guests: Brian Michael Bendis, Josh Blaylock, J. Scott Campbell, John Cassaday, Jim Cheung, Marie Croall, Tony Daniel, Lou Ferrigno, Gene Ha, Greg Horn, Geoff Johns, Dan Jolley, Jim Lee, Jeph Loeb, Sean McKeever, Angel Medina, Mark Millar, Mike Norton, Joe Quesada, Alex Ross, Alex Saviuk, Marc Silvestri, Kevin Smith, Michael Turner, Brian K. Vaughn, and Skottie Young |  |
| August 5–7, 2005 | Rosemont Convention Center |  |  |  |