The Flash Rebirth #4, DC, 2009, Cover by Ethan Van Sciver. Written by Geoff Johns. Art by Ethan Van Sciver. Barry Allen left a legacy that thrived after his death. Now his return threatens it all. What secrets does Barry hold inside him about the fate of the Flash Family? What destiny awaits Wally and his twins? What murderous force targets Bart Allen? And what does it truly mean to be a speedster?