The Watchmen & The Dark Knight Returns both live up to their reputation. Heartily recommend getting the trade paperbacks of both.
Hush is really good.
The Alan Moore Swamp Thing stuff is cool.
If you’re looking for something weird there was a recent run of Transformers vs GI Joe which is truly mindbending. Dr Mindbending if you will.
The Phantom. I used to develop alternative lines about Nadia and her relatuoinshop with the giant Nubian servant Lothar,who seemed far more appealing than the Phantom.
Grew up on Marvel Comics. Start my run of FF from issue 2. Do have X-men from 1 but my favourite growing up was Barry Windsor Smith’s Conan. I’m obsessed with his art. All up, I’ve got over a 1000 comics of varying titles from different publications