Spider-Man and Doctor Strange Co-Creator Steve Ditko Dead From Heart Attack at 90

Spider-Man Co-Creator Steve Ditko Dead at 90

7/6/2018 4:41 PM PDT

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The>Stan Lee create 2 legendary Marvel superheroes -- Spider-Man and Doctor Strange -- has died at his home in New York ... TMZ has learned.

Steve Ditko was found unresponsive in his NYC apartment on June 29 when a social worker who hadn't heard from him in a while went to Steve's home to check on him ... according to law enforcement.

The chief medical examiner listed the cause of death as arteriosclerotic and hypertensive cardiovascular disease -- basically, a heart attack brought on by clogged arteries.

Ditko was one of the most acclaimed comic book artists of all time, best known for creating Spider-Man with Lee in 1962, and Doctor Strange a year later. The stories they crafted together inspired the 2016 "Doctor Strange" film starring Benedict Cumberbatch.