Gaspar Saladino letters credit confirmed from the Danny Crespi files via Todd Klein on his Facebook page, 12 November 2017.
Inside front cover.
Credits per Nick Caputo, November 2021.
Caption box at lower left corner reads, "Produced for the Ideal Toy Corporation by The Marvel Comics Group, 575 Madison Avenue, New York, New York, 10022."
Inside back cover. Pinup of Evel Knievel with signature.