On Saturday morning, Quaker Square was filled with heroes, villains, monsters, shadowy figures and folks letting their geek flags fly at the The University of Akron’s Second Annual Comic Book Convention — better known as Akron Comicon.Fans found a packed floor full of fellow enthusiasts, comic, toy and clothing vendors, independent artists and panel presentations.Before the doors opened, Ginny Maher of Akron waited in line with 12-year-old son Matt, a lover of all things Star Wars and Spider-Man, and 16-year-old daughter Alli, an acolyte of Batgirl.