Marcus Karl
Background
Marcus Karl is a resident of the city-state of Helix. His father is Doctor Karl.
During the events of Deathsport (1978) played by Will Walker
Deneer and Adriann are escorting a group of people on horseback including Marcus and Mr. Bakkar. Deneer tells everyone to dismount from their horses and to form a circle. Polna spots Deneer and her group and rides towards them with a group of Enforcers. A fight breaks out and Adriann is killed. Deneer is shot by a stun blast and the travelers are told they are to return to Helix. Marcus goes to Doctor Karl's apartment and finds it sealed off and a notice stating Doctor Karl has been arrested for crimes against the state. He disguises himself as a guard and while he, Stateman Officer and another guard go to Kaz Oshay's cell, Marcus points a hand blaster at them. He frees Doctor Karl and Kaz and Kaz knocks the guard and Stateman Officer unconscious before shooting and killing Jailer with a hand blaster. Kaz frees Deneer, the other Range Guides and the other prisoners. Gas is poured into the cell area knocking the prisoners unconscious. Kaz and Deener are given whistler swords and forced to fight on foot against statemen on Death Machines. They easily kill the Death Machine riders and steal their Death Machines and use them to escape from the arena and Doctor Karl and Marcus follow them.
Ankar Moor, Polna and a group of Enforcers then go after the escapees. Ankar lays a trap for Kaz and Deneer, but they manage to escape after killing some Enforcers. The group camps overnight in an abandoned munitions factory and Ankar ambushes them again and during the fight, Doctor Karl is vaporized by a hand blaster and Enforcer Sergeant is vaporized by Deneer. Deneer meditates and finds out Tarra was taken by Mutants. She, Kaz and Marcus go into the Mutant caves and take Mutant hostage and force him to take them to Tarra. They free her, but Mutant yells out to the other Mutants. Kaz kills Mutant, but Marcus is bit while they are escaping. Kaz tells the others to continue towards Tritan while he goes to a fuel base. Deneer and the others arrive at Tritan and and Tritan President thanks Deneer while Marcus is administered medical aid.