I think this is a near complete list of what is still available. Most of my copies are good copies. Some of them are very good or near mint, some are poor. Let me know what you're interested in:

Amazing Spider-Man: 5, 7 (UK version... same comic, same year of release, just in pounds instead of cents), 9 (1st Electro), 17, 18, 23, 29, 31, 35, 39, 41, 42, 44, 45, 50, 58, 66, 67, 77, 101 (1st Morbius), 120, 121, 122, 129 (1st Punisher), 136

The Avengers: 6, 8, 11, 12, 14, 28, 30, 32, 33, 35, 36, 55

Batman: 169, 181 (1st Poison Ivy)

Captain American: 103

Daredevil: 16, 17, 27

The Fantastic Four: 14, 16, 29, 37, 41, 42, 43, 49, 51, 56, 60, 61, 94

Invincible Iron Man: 2

Journey into Mystery/Thor: 89, 101, 106, 109, 113, 122, 124, 145, 147, 150, 175

Nick Fury: Agent of Shield: 1

Uncanny X-Men: 5, 7, 35

Tales to Astonish: 54

Journey Into Mystery: 77

(Golden Age) Captain Marvel: 78, 81

Superman: 167

Doom Patrol/My Greatest Adventure: 80, 82, 89, 91, 92, 93, 94, 95, 96, 97, 98, 121