Written by CHRIS CLAREMONT. Pencils by JIM LEE. Cover by JIM LEE. The sides stand revealed as we conclude the story begun in last month's MARVEL MILESTONES! In UNCANNY X-MEN #276 (May 1991), Wolverine kills Professor X!? And in UNCANNY #277 (June 1991), it's an all-out space battle between the X-Men and the War Skrulls! 48 PGS.