Daredevil Volume 1, Issue 13: “The Secret of Ka-Zar’s Origin!”
The issue following Daredevil #12, published in February 1966, sported a beautiful cover by the late great Jack Kirby, who also shared pencilling credit with John Romita Sr. for the whole issue.
This one features the origin story of loincloth aficionado Ka-Zar, who (shockingly!) turns out to be the brother of the Plunderer, that pirate with the ray gun on the previous issue’s cover.