SPIDER-MAN (1990) #20

Revenge of the Sinister Six: Part 3 of 6. "Showdown!" Guest-starring the Incredible Hulk, Nova, Deathlok, and Solo. Story, art, and cover by Erik Larsen. The Sinister Six soundly defeated Spider-Man and the Hulk. Now Spidey must assemble a team of his own to take down his deadliest adversaries - Doctor Octopus, Electro, Sandman, Hobgoblin, Mysterio, and the Vulture! Plus, "Diabolique!" Part 2 of 2. Story by Terry Kavanagh. Art by Scott McDaniel and Keith Williams. It's the return of the deadly alchemist, Diablo! Can Spider-Man hope to stop one of the Fantastic Four's most dangerous foes?