Uncanny X-Men (1963) #321

Jean and Cable must use an amplifying machine to send a message to the X-Men in the past and warn them of coming danger.
Published: 2/1/1995
- Steve Buccellato, colorist
- Chris Eliopoulos, letterer
- Ron Garney, penciler
- Dan Green, inker
- Joe Rubinstein, inker
- Tim Townsend, inker
- Scott Lobdell, writer
- Mark Waid, writer