The Incredible Hulk #240

In "…And Now El Dorado," the Hulk ventures into the lost Incan city of El Dorado, where he encounters the enigmatic ruling triumvirate, They Who Wield Power. Meanwhile, at Gamma Base, Betty Ross learns that Doc Samson has taken her father to a secluded retreat for treatment, while in San Francisco, Fred Sloan reaches out to her, seeking help with his book on the Hulk. Written by Roger Stern and illustrated by Sal Buscema with inks by Joe Sinnott, this 1979 issue features vibrant colors by Glynis Oliver and lettering by J. Costanza, with a striking cover by Al Milgrom.