showrunner and writer Eric Kripke recently a picture of Jensen Ackles standing outside a trailer labeled “Soldier Boy” on the set of the Amazon original. The tweet pays homage to Ackles’ most recognized work, Supernatural, while also publicly welcoming him to a new super-themed tale — one a bit grittier and grotesque than his former outing.  Soldier Boy is a character whose comic book history is a bit of an enigma. Yet, back in 1944 — when Dr. Vought had already perfected practical applications of Compound V — Soldier Boy was injected. He then went on to kill German soldiers in mass...…showrunner and writer Eric Kripke recently a picture of Jensen Ackles standing outside a trailer labeled “Soldier Boy” on the set of the Amazon original. The tweet pays homage to Ackles’ most recognized work, Supernatural, while also publicly welcoming him to a new super-themed tale — one a bit grittier and grotesque than his former outing.  Soldier Boy is a character whose comic book history is a bit of an enigma. Yet, back in 1944 — when Dr. Vought had already perfected practical applications of Compound V — Soldier Boy was injected. He then went on to kill German soldiers in mass...WW…