Spider-Man (1990) #22

Revenge of the Sinister Six: Part 5 of 6. "The Sixth Member!" Guest-starring the Incredible Hulk, Ghost Rider, Deathlok, Solo, and Sleepwalker. Spider-Man and his amazing friends - the Incredible Hulk, Ghost Rider, Deathlok, and Sleepwalker - unite to stop the Sinister Six. Plus, after Sandman's betrayal, the bad guys unveil a mysterious new sixth member!