Crowds of Spider Men and Wonder Women descended upon the Colorado Convention Center on Friday for the first day of the seventh annual .
Fans began lining up early to attend panels, meet celebrities and show off their best cosplay costumes. Organizers said they expect more than 100,000 attendees for the three-day event celebrating comic books, TV shows and movies.
The annual convention is a fundraiser for the . The year-round education program uses popular culture and self-expression to ignite a love of learning in children and increase literacy.