Marvel May, 1981
Reprints from Avengers #70 and Hulk Weekly #7; 2nd appearance of Grandmaster (En Dwi Gast); 2nd appearance of Nighthawk (Kyle Richmond); 2nd appearance of Hyperion; 2nd appearance of Whizzer (James Saunders); 2nd appearance of Doctor Spectrum (Kinji Obatu); 2nd appearance of Squadron Sinister; Origin of Hyperion; 1st Full Appearance of Nighthawk
Avengers: When Strikes the Squadron Sinister!; The Incredible Hulk
Roy Thomas, Steve Parkhouse
Sal Buscema, Paul Neary