After the classified, advanced airplane known as the Flying Wing is hijacked by the Nazis, Sledgehammer is sent on a special recovery mission that pits him against the deadly Black Flame!
* Cover by Mike Mignola!
* From the pages of Hellboy!
* Laurence Campbell takes the reins of Sledgehammer!
"Sledgehammer 44 has been an entirely enjoyable look into a heretofore unexplored portion of both the Hellboy universe and Mike Mignola's storytelling. " - Weekly Crisis
"Laurence Cambell’s art is fantastic. . . The monsters look creepy as always and overall the art is a big highlight of the issue. " - Unleash the Fanboy.