Captain Blood (video game) is a 1980s video game designer, Bob Morlock, who had picked "Captain Blood" as a nickname in tribute to the film starring Errol Flynn of the same name. Morlock develops a new video game about aliens and space travel. While testing for the first time his new project, he becomes warped inside the spaceship of the very game he had designed. Soon after, Blood is forced to go into hyperspace mode and, due to an incident, gets accidentally cloned 30 times. For 800 years, Blood tracks down every clone, as each one took a portion of his vital fluid. When
Baron Blood the suspicions of his now very elderly brother James. The older Falsworth requests the aid of Captain America, who with the third version of Union Jack battles Blood. After being tricked into thinking that Union Jack was his older brother James, Blood is decapitated with Captain America's shield. The character's body is burned to ashes, with the ashes scattered. Baron Blood returns in the "" storyline as an inmate of Pleasant Hill, a gated community established by S.H.I.E.L.D. During the "Opening Salvo" part of the "Secret Empire" storyline, Baron Blood is recruited by Baron Helmut Zemo to join the Army