Publication history of Superman written by Alan Moore with art by Curt Swan. Although the new Modern Age version of Superman is said to have already been active for many years, most previous Superman appearances and elements were rendered out of continuity by John Byrne's "The Man of Steel". Later stories such as "" bring many of the Silver Age elements back into continuity. In Byrne's version, Superman came from the planet Krypton which was re-imagined as a cold, sterile world in deep contrast to the wonderworld of the past 48 years. Once Kal-El's rocketship (containing genetic materials and a birthing-matrix which resulted in
Superman: Earth One using his heat vision, will block the sun's energy, which powers Superman, and that if Parasite breaches the suit and absorbs his power again, he will die. Parasite again attacks the Daily Planet and Superman intervenes. With the warsuit, Superman can fight Parasite on equal terms, but the suit gradually disintegrates as the battle continues. Theresa arrives and Parasite breaks away from the fight to hug her, accidentally absorbing her energy and killing her. Parasite blames Superman for her death and resumes his attack. Superman strikes Parasite with his full strength, incapacitating him. Parasite is taken into the custody of