Britani MacDonald talks to her 5 week-old son, Deegan, as she feeds him a bottle while visiting the Portland Comic Expo at the Portland Expo. Britani, her husband, Shawn Carson, her daughter, Ava MacDonald, 6, and baby Deegan all dressed as Batman. Jill Brady/Staff Photographer

Portland Comic Expo at the Portland Expo. Jill Brady/Staff Photographer

Comic enthusiasts search through thousands of back issue collections provided by Casablanca Comics at the Portland Comic Expo held at the Portland Expo. Jill Brady/Staff Photographer

Carly Monsen of Boston is dressed as Pearl from the show Steven Universe at the Portland Comic Expo at the Portland Expo. Jill Brady/Staff Photographer

Chiara Jenkins and Zoe Hager, both 13 of Portland, are dressed as The Green Arrow and Batman, respectively, as they visit the Portland Comic Expo at the Portland Expo. Jill Brady/Staff Photographer

Alyssa Bergeron, left, of Auburn, who is a member of the Maine Roller Derby and known as Spicy Icicle, reaches out to shake the hand of Wild Style, a mini Lego figure from the Lego movie, worn by Christina Tilley of Portland and designed by her husband, Darren Tilley, at the Portland Comic Expo at the Portland Expo.Jill Brady/Staff Photographer

The Maine Ghostbusters, from left, Thomas Lemieux of Oakland, Heather Henley of Lewiston/Auburn, Cory Nicholson of Lewiston, Brian Austin of Portland and Justin Hamner of Rumford strike a pose at the Portland Comic Expo at the Portland Expo. Jill Brady/Staff Photographer

Ashlee Cust, her son, Zackary Godin, 6, and Damien Cust, all o Biddeford and dressed as Batman characters, look through graphics for sale at the Portland Comic Expo at the Portland Expo. Jill Brady/Staff Photographer

Jesse Lundberg of Laconia draws Venom from Spiderman at the Portland Comic Expo at the Portland Expo. Jill Brady/Staff Photographer