Published April 1, 1996
writer Mark Waid
cover artist John Dell
penciler Pasqual Ferry
The X-Men investigate a subway train filled with mutated humans!
X-Men (1991) #1
Oct 1991
X-Men (1991) #2
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X-Men (1991) #3
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X-Men (1991) #4
Jan 1992
X-Men (1991) #5
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X-Men (1991) #6
Mar 1992
