For eveyone's informations: the venon early stories are collected in "Birth of the Venom":
- Invasion! - Marvel Super Heroes Secret Wars #8
- The New Spider-Man - Amazing Spider-Man #252-259
- Chance - Amazing Spider-Man #298-300
- Return of Venom - Amazing Spider-Man #315-317
- Monster Mash - Fantastic Four #274
- Til Death Do Us Part! - Web of Spider-Man #1
A very good book by the way