ENTOMBED IN THE DARK...BUT FAR FROM ALONE! Deep in the dark, X-MEN JUBILEE and WOLVERINE find themselves subjected to the twisted, ancient mind of APOCALVPSE...and he doesn't care one bit if they make it out alive! And to make matters worse, there are other mutants delving into Apocalypse's tomb-whose aims aren't exactly aligned with those of the X-MEN. Looks like this dangerous situation just tipped over into a time bomb...