Peter Parker's life presumably mirrors that of his Earth-616 counterpart, up to the point where Peter was supposed to marry Mary Jane. In this reality, Peter decided not to marry MJ and cancel the wedding, which eventually led to him marrying the Black Cat instead.

Who does Black Cat marry?

With Peter Parker and Mary Jane back together at last, more than a few fans were shocked to find "The Wedding of Spider-Man and Black Cat" gracing the cover of the burglar's Black Cat Annual #1.

Will Spider-Man and Black Cat get together?

She was offered an opportunity to undergo a process similar to creating the Scorpion and the Fly. She eventually rekindled her relationship with Spider-Man but their relationship didn't last long as Black Cat moved to Europe as Peter began a new relationship with Mary Jane Watson.