The Amazing Spider-Man : The Return of the Sinister Six COMPLETE SET (#334-#339)

Key Issues: 

#334 - Beginning of the return of the Sinister Six (Doc Oc, Electro and Sandman rejoin)

#337 - 2nd full appearance of the Sinister Six (Doc Oc, Electro, Vulture, Sandman, Mysterio and now with Hobgoblin)