| Rank...First Appearance | Character | Ranking by IGN |
| Uncanny X-Men #1, 1963 | |
| Uncanny X-Men #1, 1963 | |
| Uncanny X-Men #129, 1980 | |
| Incredible Hulk #180, 1974 | |
| Avengers Annual #10, 1981 | |
| Uncanny X-Men #1, 1963 | |
| Giant-Size X-Men #1, 1975 | |
| Giant-Size X-Men #1, 1975 | |
| Uncanny X-Men #1, 1963 | |
| Giant-Size X-Men #1, 1975 | |
| Uncanny X-Men #1, 1963 | |
| X-Men Alpha, 1995 | |
| Uncanny X-Men #1, 1963 | |
| | Rank...First Appearance | Character | Ranking by IGN |
| Uncanny X-Men #1, 1963 | |
| New Mutants #87, 1990 | |
| Uncanny X-Men #58, 1969 | |
| Uncanny X-Men #282, 1991 | |
| X-Men Alpha, 1995 | |
| Uncanny X-Men #28, 1967 | |
| Giant-Size Fantastic Four #4, 1975 | |
| Uncanny X-Men #129, 1980 | |
| New Mutants Annual #2, 1986 | |
| Uncanny X-Men #4, 1964 | |
| Generation X #1, 1994 | |
| New Mutants #29, 1985 | |
|