Investigation: Gwen Stacy is considered the greatest detective on Earth-617.Constituent-Matter Manipulation: The Venom symbiote can project its constituent matter into tendrils, and forms the makeup of Spider-Woman's costume.Through her connection to the Venom symbiote, Gwen Stacy possesses the following powers: When two Watchers, Utaa and Utau, came to investigate and picked a fight with the children of Gwen Stacy of Earth-8, Gwen-617 intervened through a dimensional portal and terrified the Watchers with her symbiote before explaining what had transpired returning to her home dimension when her own Dimensional Travel Watch alerted her to a crime in progress. Closely monitoring Earth-65's Gwen Stacy, she interceded through Gwen-65's Dimensional Travel Watch to prevent her from killing Matthew Murdock and sent her to meet her past self, creating a time loop.

Forming a secret multiversal organization with the other Spider-Women, she avoided taking part in the Totem War. Travelling to other dimensions, she learned of the fate that had befallen numerous other incarnations of herself and encountered other incarnations who had become Spider-Woman. Inspired by Gwen-65, Gwen-617 became a detective and later bonded to the Venom symbiote of Earth-617 to become the superhero Spider-Woman. Gwen-617 and Gwen-65 traveled to the top of the George Washington Bridge, where after sharing some words of farewell, Gwen watched Gwen-65 leap off and return to her timeline. Using her scientific knowledge and the Empire State University's supercomputer, Gwen located a weak-spot in the boundaries between realities asking Tony Stark and Ant-Man for a second opinion. Gwen with her alternate counterpart from Earth-65 Gwen-617 helped Gwen-65 come to the epiphany that she should treasure that she was still able to spend time with her father, coming to terms with her own loss in the process. When Gwen-65 confronted her over not telling her that her father had been murdered, Gwen-617 learned that the source of Gwen-65's rage - amplified by an amorphous symbiotic entity that had bonded to her - was due to her father having been put in a coma by her archenemy, Matt Murdock. Later, Gwen-617 turned down a date offer from Peter and remarked to Gwen-65 that she could tell Peter was hiding something from her. Initially confused and worried that the new short-haired Gwen was a clone, Gwen-617 soon learned that her angsty short-haired counterpart was a superhero from another dimension, but before she could get more information out of her, Gwen-65 stormed off in a rage.

Miserable and troubled, Gwen's future was changed when an alternate universe incarnation of herself dropped from a portal in the sky and landed in front of her - resulting in a divergent timeline relative to the Prime Marvel Universe. In the wake of her father's death, Gwen's relationship with Peter became troubled due to his support of Spider-Man, whom Gwen believed to be the one who had killed her father.

Peter was secretly a costumed vigilante known as Spider-Man, and one night during his fight with Doctor Octopus, police captain Stacy was killed while saving a child bystander.

While there, she met a fellow student named Peter Parker and the two developed a friendship which grew into a romantic relationship. The daughter of George and Helen Vogel Stacy, Gwen Stacy was encouraged by her mother to pursue her interests, which led to her developing a fondness for natural science and attend college at Empire State University, majoring in biochemistry. Gwen Stacy's personal history was exactly the same as Gwen Stacy of Earth-616 up until the point of temporal divergence caused by her encounter with Gwen Stacy of Earth-65.

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