New Mutants Vol. 4: Unfinished Business

Collects New Mutants #25-28. Cyclops is sick of unfinished business coming back to haunt the X-Men, so he's tasking the New Mutants to finish it. Their first mission: Find X-Man. Nate Grey returned in Dark X-Men, but ended up in the hands of Norman Osbornand H.A.M.M.E.R. With the Dark Reign at an end, where is X-Man?