This issue is a variant of Captain America (Marvel, 1968 series) #192 [Regular Edition].
Last Frank Robbins art.
Marvel Comics Index #8A lists Gaspar Saladino as letterer.
First appearance of Karla, one of Dr. Faustus' crew, who returns as the new Moonstone in her next appearance in Incredible Hulk (Marvel, 1968 series) #228.
Letters from Dave Emmons, Gregory A. Maddux, Mark Dooley, Alberto Panganiban, Doug Zimmerman, Kirk Winkler