This page shows Marvel characters ranked by number of main reality appearances (no alternate realities).
#1. Spider-Man
4841 issues
#2. Captain America
3940 issues
#3. Iron Man
3631 issues
#4. Wolverine
3590 issues
#5. Thor
2610 issues
#6. Thing
2545 issues
#7. Hulk
2340 issues
#8. Mr. Fantastic
2283 issues
#9. Cyclops
2267 issues
#10. Beast
2210 issues
#11. Human Torch
2191 issues
#12. Storm
1882 issues
#13. Invisible Woman
1864 issues
#14. Hawkeye
1750 issues
#15. Doctor Strange
1727 issues
#16. Namor
1704 issues
#17. Daredevil
1622 issues
#18. Iceman
1510 issues
#19. Angel
1509 issues
#20. Mary Jane Watson
1369 issues
#21. Scarlet Witch
1362 issues
#22. Nick Fury
1356 issues
#23. Captain Marvel
1354 issues
#24. Professor X
1352 issues