Deathlok

Few characters carry the weight of Marvel's Bronze Age quite like Deathlok, who stomped onto the scene in Marvel Two-in-One #53 in 1979, courtesy of a creative team that included Mark Gruenwald, Ralph Macchio, John Byrne, and Joe Sinnott. This is a character who shares pages with some of Marvel's most compelling figures — Ben Grimm, Wendell Vaughn, Thundra, and Wundarr among them — which speaks to the kind of charged, action-packed storytelling that defined the era. With two of their catalog appearances flagged as key issues, collectors have long recognized that Deathlok's Bronze Age footprint punches well above its numerical weight. A compact but meaningful presence in Marvel history, this is exactly the kind of find that reminds you why digging through Marvel Two-in-One back issues is always worth your time.