The Discovery Museum, 4450 Park Avenue, Bridgeport presents Superhero Day on Saturday, June 9, from 10 a.m. to 4 p.m. The event features the Ninja Room (sponsored by Code Ninjas), Hall of Heros, “Inator” Creator, Superpower Demos, Green Screen Superpowers, Villian Lair and more. Cost is $11 for adults; $9 for children; children in costume get $1 off admission. AAA and AARP discounts accepted. For more information visit discoverymuseum.org or call 203-372-3521.