Two Spiders in the Spider Verse

Clay O. Magnus has always been a normal teen on Earth 65,he has a successful life ahead of him,good grades in school and a beautiful girlfriend named Gwen Stacy. The thing about Clay,he never knew where he came from or who his parents were,but luckily for him,Gwen's father George Stacy offered him a place to stay as a roommate. This is where he met Peter Parker a sweet and caring boy,but what happens on the day of the high school dance that causes Peter to get killed? What if Clay meets a Spider Woman named Ghost Spider? What if Clay is bitten by a very very mysterious spider? What if he starts to show the same abilities as Ghost Spider? What if Clay becomes a Spider Man and fights alongside Ghost Spider? What happens when they are transported to a different dimension and meet another spider man named Miles Morales? And other Spider Man variants? Why is it that Clay's atoms don't freak out like Peter B. Parker and Gwen? Who was Clay's parents and where did he come from?