X-Factor Visionaries by Peter David v01 (2005)

Collects X-Factor (1986-1998) #71-75.
Alumni of the X-Men, the New Mutants and the Avengers join refugees from odd corners of the X-Universe as the government's latest super-effort, but Mister Sinister and his Nasty Boys don't want this team to survive long enough to get its roster straight!