Comic book legend Stan Lee, who had a hand in creating Marvel’s Spider-Man, Thor, the X-Men, the Fantastic Four, Black Panther and the Avengers, died from heart failure and respiratory failure, TMZ reports, citing Lee’s death certificate.
Lee died Nov. 12 at Cedars-Sinai Medical Center in Los Angeles. He was 95.
“We obtained Stan’s death certificate, and it lists heart failure and respiratory failure as the cause of death,” TMZ reports. “It also says he suffered aspiration pneumonia — which is when you inhale food, stomach acid or saliva into your lungs.”
TMZ adds: “The certificate says he was cremated and his ashes returned to his daughter. His occupation was listed as a writer in the publishing business.”