Synopsis:
Archangel, Wolverine, Chamber, Nightcrawler and Stacy X all work together to covertly stop the Vanisher flooding the streets with a designer drug that gives powers to regular humans killing them in the process. Nightcrawler visits his old parish and witnesses the onset of the current cardinal’s mutant power.
Notes:
This issue's unorthodox title is a play on the title of Joe Casey's first arc, "Poptopia." Counting backwards, "Rocktopia, Part 1 of 5" would have been UXM #402 and "Part 5" would have been #406; more or less the entire X-Corps arc.