Real quick, in no particular order:

1) Dr. Strange 1(Strange Tales #110, 111, 114-141)
2) Amazing Spiderman 5 & 6(Amazing Spider-Man #41-61, Annual #3&4)
3) Avengers 5 & 6(Avengers #41-58, Annual #1&2)
4) Thor 5, 6 & 7(Mighty Thor #131-162, Annual #2)
5) Fanatic Four 5, 6, 7 & 8(Fantastic Four #41-81, Annual #3-6)
6) Sgt. Fury 1(Sgt. Fury and His Howling Commandos #1-13)
7) Nick Fury 2(Strange Tales #154-168 and Nick Fury #1-3)
8) Ant-Man 1(Tales to Astonish #27, 35-52)
9) Sub-Mariner 3(Sub-Mariner #2-13)
10) X-Men 6(X-Men #54-66) 

More than ten, but, as Todd said, the best I could do.