New Mutants #100 Comic Book

First cameo appearance of X-Force; First appearance of Shatterstar; Last New Mutants issue for Vol 1
1st appearance of X-Force.
1st full appearance of Shatterstar.
Last Issue.

Shatterstar shows up in the Danger Room and the New Mutants have to help him defeat Mojo’s Soldiers; Feral also arrives at the Mansion and Cable helps get Masque off of her back; Agreeing to try Cable’s new proactive stance in the mutant struggle, the New Mutants leave X-Mansion behind and officially become X-Force.