SUPERIOR — A family of six was displaced after a house fire Saturday night. The Superior Fire Department responded to 2624 John Ave. around 8:30 p.m., finding smoke and flames visible from a second-story window at the front of the residence. Firefighters verified that all residents were out of the home and were able to knock down the blaze within 10 minutes, according to a news release. The fire was contained to a single room, but the house repo…