Amazing Spider-Man #326-329, Web of Spider-Man #59-61 and Spectacular Spider-Man #158-160 (1989-1990): Acts of Vengeance; Spidey is Captain Universe
Spectacular Spider-Man #146-148 and Web of Spider-Man #47-48 (1989): 1st Demigoblin; Harry Osborn is Green Goblin
THE EVOLUTIONARY WAR (1988 Annuals): Super Skrull, Jocasta, Giant Man revived; 1st Speedball, X-Babies, Matthew Plunder; Crystal quits FF; Hercules dies