On the day Voldemort attacked the Potter family, Harry unlocked the power the Dark Lord knows not. Lily's sacrifice of her own life grabbed the attention of a powerful being, which took interest in the Boy-Who-Lived. This is a HP/Marvel FF. Will focus on the HP side in the beginning before moving on to the Marvel side. Since this is a FF, the years would slightly different. Example, here Harry was born in 1999. Yes, he is a zoomer.