DAREDEVIL (1964) #77

Two galvanizing guest-stars for the price of one! The Amazing Spider-Man and a fighting-mad Sub-Mariner! Plus, the weird threat that may destroy them all! A mysterious voice calls Namor to New York. Daredevil arrives to investigate and assumes Namor is up to his old tricks and attacks him. Meanwhile Spider-Man feels the need to show up Hornhead and decides he should be the one to stop the Sub-Mariner instead.…