Harold Osborn (Earth-4678)

Harold "Harry" Osborn is the son of New York City's mayor and Oscorp Industries' CEO Norman Osborn. Secretly, he was terminally ill, unbeknownst to his best friends Peter Parker and Mary Jane Watson, leading his father to attempt to develop a cure.

Source

 * https://marvels-spider-man.fandom.com/wiki/Harry_Osborn