J. Michael Straczynski (Amazing Spider-Man) and Jesus Saiz (OMAC PROJECT) continue their series of unlikely pairings with a match that spans the decades! When an experiment meant to alter the speed of light goes awry, Barry Allen finds himself face-to-face with some surprising allies – World War II's legendary Blackhawks! But Barry isn't the Flash they know, and he's not even the kind of hero they need to help fight history's most grueling war! What must Barry sacrifice to serve his country – and his world?