User blog comment:MarvelDCandFantasyFanBoy12/It Is Back Again/@comment-31765930-20201016215812/@comment-24839525-20201016220619

Character: Cardiac - a mysterious mercenary who was originally hired by kingpin to kill Spider-Man before he changes heart and decides to aid him.

Episode: Cardiac Strikes - Peter has to fight a mysterious mercenary who goes by the name of Cardiac.