Avengers #70 (1969) CGC 9.6 NM+ WHITE Key Origin of Squadron Sinister

The Avengers #70 (Marvel, 1969) CGC NM+ 9.6 White pages. Origin of the Squadron Sinister. Kang, Grandmaster, and Black Knight appearances. Sal Buscema cover and art. Features Thor, Iron Man, Captain America, Black Panther, Wasp, Vision, Yellowjacket, and Goliath. 

"When Strikes the Squadron Sinister!" Part 2 of 3. Script by Roy Thomas. Pencils by Sal Buscema. Inks by Sam Grainger. Cover by Sal Buscema and Sam Grainger. The galactic game between Kang and the Grandmaster begins! And the opening round pits Earth's Mightiest Heroes vs. the Squadron Sinister! Captain America vs. Nighthawk on Liberty Island! Iron Man vs. Doctor Spectrum at the Taj Mahal! Thor vs. Hyperion in Egypt! And Goliath vs. the Whizzer in London! The Avengers need four victories to win the first round for Kang! The Conqueror's team appears on track for a worldwide sweep until the Black Knight unwittingly interferes with Goliath's duel at the Big Ben Clock Tower! The Grandmaster is furious about the knight's interference! Have Dane Whitman's good intentions accidentally doomed the Earth to destruction? First full appearance of the Squadron Sinister (and Kyle Richmond aka Nighthawk). Avengers Lineup: Black Panther, Black Knight, Captain America, Goliath, Hawkeye, Iron Man, Thor, Vision, Yellowjacket, and the Wasp. (Notes: The Squadron Sinister returns in Defenders 13. Shell-Head and Dr. Spectrum battle again in Iron Man 63. Nighthawk appears next in Daredevil 62.) 36 pages. Cover price $0.15.