Bethesda, Maryland; July 31, 2015 Media Release ­— SPX is pleased to announce 21st Century creators C. Spike Trotman, Jennifer Hayden and Stuart Immonen as guests at SPX 2016. This is in addition to the previously announced creators of the current century Kate Beaton, Luke Pearson, Noelle Stevenson, Michael DeForge, Gemma Correll, Noah Van Sciver,…