Spider-Man Maximum Clonage: Alpha #1 (1995)

Maximum Clonage - Part 1: And the Jackal Cries, "Death!"
The Jackal and Spidercide release a new version of the Carrion virus into a small town, with devastating effects. The New Warriors and the Scarlet Spider head out to investigate, while Peter deals with the news that he's the clone.
Release Date: 1995