ConFluence, the BIPOC Minneapolis sci-fi convention, will return to Northeast 10 am-8 pm Saturday and Sunday, Oct. 18 and 19, at Northrup King Building, 1500 Jackson St. NE. The  artist-organized comic-con celebrates art, sci-fi, fantasy, futurisms and fandoms centered on content by and for BIPOC communities. The “Prismatic Underground” dance party is on Saturday night from 8 pm-midnight. Tickets are $35 for one day and $55 for the entire weekend and are available at https://www.confluencemn.com. Every ticket includes a free…