Apparizioni di Professor X [R][2] [E-616] nel gruppo MASQUE'S X-MEN [E-616]
| APP# | Data | Apparizione nella Storia | Avversari | |
|---|---|---|---|---|
| App. #1 | 1990/06 | Uncanny X-Men (1963) #262 s01 | MUIR ISLAND X-MEN | Marvel Girl, MUIR ISLAND X-MEN | Banshee [2], MUIR ISLAND X-MEN | Forge | |
| App. #2 | 1990/07 | Uncanny X-Men (1963) #263 s01 | MUIR ISLAND X-MEN | Peter Nicholas, MUIR ISLAND X-MEN | Banshee [2], MUIR ISLAND X-MEN | Marvel Girl, MUIR ISLAND X-MEN | Callisto, MUIR ISLAND X-MEN | Forge |