This was after the Civil War and Spider-man’s secret identity was known to everyone. Peter is seeking revenge for his Aunt May, who was mortally wounded by an assassin sent by the Kingpin.
From – Amazing Spider-man Vol. 1 #542
This was after the Civil War and Spider-man’s secret identity was known to everyone. Peter is seeking revenge for his Aunt May, who was mortally wounded by an assassin sent by the Kingpin.