Lightning War #3
A battle between the Black Flame and the iron soldier known as Sledgehammer heats up as the fight over a cutting-edge American warplane explodes in the sky!
- From the pages of Hellboy!
"Mignola has hit a home run with Sledgehammer."—Comic Bastards
"Mignola has, seemingly without effort, created another iconic superhero."—Geeks Unleashed