X-Factor (2005) #41
an issue of X-Factor (2005) by Marvel Comics
Issue description
Maru. Mr. Tryp. X-Cell. The Isolationist. Madrox has gone against his fair share of unseemly and unfamiliar antagonists of late, but some villains never go out of style. Like Sentinels. Big, honking Sentinels. Oh yes, this is going to be fun!