AVENGERS #1 - (1963 - MARVEL) - GRADED 2.5 (GD+) by CBCS - KEY Comic Book - First appearance of the Avengers with original members Iron Man (in clunky gold armour), Thor, Hulk, Ant-Man, Wasp as they battle Loki - Super-key Marvel issue, currently ranked #13 on Overstreet's list of Top 50 Silver Age Comics - Jack Kirby cover with Don Heck interior art - CBCS 2.5 (GD+) Off-White Pages - Presented Slabbed and Sealed