Her estranged mother does not want to take her in. Gwen is later taken in by Aunt May after her father, police captain John Stacy, is killed by a burglar wearing a Spider-Man costume.
(at one point stopping by his house for help after a possible suicide attempt), which leads Mary Jane Watson to believe that Gwen is vying for his affections.
Gwen becomes friends with Peter after that She is suspended from school temporarily. In her first appearance she gives a rousing speech on 'super powers' in today's societies in the next issue she pulls a knife on Kong, a classmate who was bullying Peter. In stark contrast to her classic counterpart, Gwen is often strong-willed and rebellious and often dresses in punk style, yet still with her fiery temper. In the Ultimate universe, Gwen Stacy first appears as a teenage girl at Peter's high school. Peter is unsure whether the whiplash from her sudden stop broke her neck or if the fall killed her, but he blames himself for her death regardless.
He initially thinks he has saved her, but when he pulls her back onto the bridge, he realizes she has already died. Soider-Man arrives to fight the Green Goblin, and when the Goblin throws Gwen Stacy off the bridge, Spider-Man catches her by her leg with a string of web. The Green GoblinĀ (Norman Osborn, who has identified Peter Parker as Spider-Man) holds Gwen Stacy captive on a tower of the George Washington Bridge. Gwen eventually realizes her error in trying to pressure Peter into marriage, so she returns to New York and they get back together. Realizing she will put two and two together if she sees Peter and Spider-Man in London, Peter leaves without seeing Gwen. Peter goes to London to see Gwen, but has to go into action there as Spider-Man. By the time he changes his mind, she is already gone. She tries to get Peter to propose to her and convince her to stay, but his guilt stops him from doing so. Gwen leaves for Europe to deal with her loss. Gwen blames Spider-Man for that event, which sets back their relationship for a while. Their romance becomes more complicated when her father, Police Captain George Stacy, gets killed by falling debris from a battle which involved Spider-Man and Doc Ock ( The Amazing Spider-Man #90). Peter would frequently feel insecure whenever he saw Flash Thompson with Gwen, and many misunderstandings ensued. Gwen eventually learns the truth and she and Peter reconciled. Thinking Peter attacked her father, she halts the relationship. A mind-controlled Captain Stacy gets into a fight with Peter, which Gwen observes. Their relationship almost ends as it begins. In the comic books, she is Peter Parker's second love- their relationship begins almost immediately after a relationship between Peter and Betty Brant ends.
Gradually, however, a romance develops Gwen, a science major, seems to appreciate Peter's intellectual personality, different from that of jocks like Flash and Harry. She dates both Flash Thompson and Harry Osborn while pining for Peter. Peter Parker meets Gwen while both study as undergraduates at ESU Initially, with Aunt May in the hospital, Peter feels troubled and ignores her advances, and in return, she feels insulted by his aloofness. Gwen first appears in The Amazing Spider-Man #31 (December 1965).