Spider-Man on Twitter: "Local Comic Shop Day returns with ComicsPRO, and Marvel's bringing you two variant covers in honor of the 60th anniversary of Spider-Man. Be there when 'Amazing Spider-Man' #13 and '
Spider-Man: A Single, Iconic Comic Panel Just Sold For Over $3 Million
Spider-Man's First Comic Appearance Sells for Record Price - Nerdist
Spider-Man beats Superman in record $3.6m comic sale | Comics and graphic novels | The Guardian