Man Mountain Marko (Michael Marko) is a fictional supervillain appearing in American comic books published by Marvel Comics. Marko was and remains an affiliate of numerous organized-crime entities in the Marvel universe, including the Maggia. He was allied with Silvermane, Caesar Cicero, Eel I, and Nightshade. His most frequent enemies are Spider-Man, Power Man, Iron Fist, Thunderbolt, and Boomerang. He appears to have no relation to Cain Marko, seen in various Marvel titles as the Juggernaut, despite similarities in surname, physique and superpowers. Publication history Man Mountain Marko first appeared in The Amazing Spider-Man #73 and created by Stan Lee and John Romita Sr. Fictional character biography Marko is first seen as Silvermane's loyal lieutenant in an incident dealing with an ancient tablet which he steals. He attacks Curtis Connors when he thinks the formula he created has killed Silvermane. Marko is quickly defeated by Spider-Man. Marko and some of his colleagues rob the Debutante Ball of Millie Hogarth. Unfortunately, for them, Millie's father is the agent for Power Man and Iron Fist, who were called in to defeat the villains. Man Mountain Marko later assisted Caesar Cicero's men into attacking Luke Cage and Big Ben Donovan. During a trip to gather protection money, Marko has some sort of breakdown and trashes an entire bar, with Spider-Man inside of it. Investigative reporter Ben Urich tells Spider-Man that Marko has apparently also kidnapped a child. Ben knows of a facility where Marko is known to work out. Spider-Man finds steroids in Marko's locker. The owner of the gym tells him that the Maggia genetically altered Marko in order to make him stronger. Spider-Man steals information from the Maggia and confronts Marko at his home. Eventually Marko is subdued and it turns out the kid he 'kidnapped' simply had a twisted sense of hero worship, admiring Marko's size and strength. Man Mountain Marko is later seen as a sexually threatening hitman sent after private investigator Jessica Jones. This was part of a conspiracy by a powerful business magnate who wished to use Jones and Captain America as a way to humiliate the current President of the United States. Jones severely beats Marko, then literally throws him at the businessman's feet. Marko and his bosses are soon arrested by S.H.I.E.L.D. During the Civil War storyline, Man Mountain Marko was visible among an army of super-villains organized by Hammerhead that was captured by Iron