20

The Avengers

Vs the Grandmaster and Kang.  In a contest between them, the Avengers are pitted against the Squadron Sinister.  This is the introduction for Hyperion, Nighthawk, Dr. Spectrum and the Whizzer of the Squadron Sinister.  The story continues until #71.

Penciller: Sal Buscema; Inker: Sam Grainger; Letterer: Artie Simek; Writer: Roy Thomas;