from The Uncanny X-Men (Marvel, 1981 series) #217 (May 1987)
from Classic X-Men (Marvel, 1986 series) #15 (November 1987) [in this form]
from The X-Men (Marvel, 1963 series) #108 (December 1977)
from The Uncanny X-Men (Marvel, 1981 series) #216 (April 1987)
from The Uncanny X-Men (Marvel, 1981 series) #216 (April 1987)Titolo originale: "Crucible"
from The Uncanny X-Men (Marvel, 1981 series) #217 [Direct Edition] (May 1987)
from The Uncanny X-Men (Marvel, 1981 series) #217 [Direct Edition] (May 1987)Titolo originale: "Folly's gambit"
from Classic X-Men (Marvel, 1986 series) #15 (November 1987)
from Classic X-Men (Marvel, 1986 series) #15 (November 1987)Titolo originale: "Armageddon now!"