Bloodwork: Part 1- Written by Joshua Williamson. Art and Cover by Neil Googe. ‘BLOODWORK’ part one! Barry Allen’s personal life is in shambles, his new Negative-Flash powers aren’t working properly, and someone has been tampering with evidence at the Central City Police Department. The Flash is not having a good day, and it’s going to get worse when he comes face to face with Bloodwork, a terrifying new villain with secret ties to Barry Allen.