1. Wolverine (1982) (4 issues)
Chris Claremont and Frank Miller turn the cool supporting character in X-Men into the dude who was in every single Marvel comic published in the 1990s. Absolutely brilliant in every way. But I already told you that so you already knew it.
This is not just the best miniseries of the 1980s, it is probably the best miniseries ever. And if it isn’t the best, it’s certainly the most influential.