Man-Spider

"The Six Arms Saga" is a story arc featuring the popular Marvel Comics character Spider-Man, written by Stan Lee and drawn by Gil Kane. It spans the issues The Amazing Spider-Man #100–102 (1971) and features the first appearance and origin story of Morbius, the Living Vampire. The story arc is mostly remembered for Spider-Man growing four extra arms, and for a subsequent What If…? stating that keeping the arms would have allowed Spider-Man to save Gwen Stacy and defeat Thanos himself.

The Six-Armed Spider-Man appears in Spider-Man: Across the Spider-Verse.

Peter Parker has recently experienced a lot of misery in his life: his best friend Harry Osborn has become a junkie, his close friend Captain George Stacy died in his arms, and Gwen Stacy – Peter's girlfriend – wrongly blamed Spider-Man for her father's death. He creates a serum to remove his spider powers, after which he then falls into a troubled sleep in which he fights all his enemies, while enduring excruciating side pains. The dream ends with George Stacy's spirit imploring Peter to keep protecting New York as Spider-Man, stating that his powers are both a blessing and a curse. When he wakes up, Peter realizes that the serum has unintentionally augmented his powers, giving him four additional arms.

After rejecting an invitation to a movie from Gwen, and a late-night photo assignment from the Daily Bugle, Peter, as Spider-Man, calls Curt Connors for help, who offers him his summer house as refuge. Elsewhere, Michael Morbius is found stranded in the ocean by a boat and taken aboard, only for numerous passengers to mysteriously disappear. When the crew confronts him, Morbius attacks them and flees. As night falls and the crew goes to sleep, Morbius, now resembling a vampire, returns and feeds on their blood, but is overwhelmed by guilt and attempts to kill himself by jumping into the ocean. He washes ashore and stumbles upon Connors' house, which he enters before falling asleep. Meanwhile, Spider-Man is working on curing himself in Connors' lab when he smashes a test tube in frustration, causing Morbius to be awakened by the noise and attack. As the two fight, Connors arrives and the stress of being attacked by Morbius causes him to transform into the Lizard.