 He reluctantly agrees to mentor Miles on becoming the new Spider-Man to return to his home dimension, but later tries to prevent Miles from joining the other displaced Spider-Men when the young hero's inexperience begins to hold them back and volunteers to sacrifice himself so the other heroes can get home.Miles later joins them in the final fight against Kingpin and his minions after he learns how to control his powers and instills new confidence in Peter that he will successfully defend his dimension.Thanks to his experience with Miles and a run-in with an alternate version of his ex, Peter decides to give his relationship with Mary Jane another shot.