 Various Marvel writers , including Brian Michael Bendis , Mark Millar , Ed Brubaker and incoming Amazing Spider @-@ Man writer Dan Slott had a hand in developing the story . During the course of the story 's development , Quesada claims that he and Straczynski made plans to resurrect Gwen Stacy alongside Harry Osborn in the final chapter . This plot twist was discarded after numerous Marvel editors and writers lobbied for the character to remain dead . According to Quesada , Straczynski 's original script for the storyline 's fourth issue involved changes to continuity going as far back as 1971 . Peter would have helped Harry Osborn get into rehab for his drug addiction immediately , which would have allowed a number of rewrites . Mary Jane would have remained in a relationship with Harry , Gwen would not have been killed and ultimately Peter 's marriage to Mary Jane would not have taken place . Quesada realized that these changes would have far @-@ reaching consequences for both historical and forthcoming storylines , so he made the decision to change Straczynski 's story . While Peter and Mary Jane were to have remained a couple for the purposes of back @-@ story , they were simply not a married couple . Quesada also described " One More Day " as an emotional climax of sorts and resolution for the relationship between Peter Parker and Tony Stark , who had developed a father @-@ son @-@ like bond during the " Civil War " storyline . However , Quesada hinted the paths of the two characters could cross again in the future due to planned storylines for Iron Man . 
