Issue · Marvel Comics X-Factor (2006) #18: X-Cell (Part 2) Released Apr 18, 2007 USD $2.99 36 pages WriterPeter David PencillerSalvatore Pezone InkerSandu Florea EditorAndy Schmidt Next in X-Factor (2006) #19 · X-Cell (Part 3) May 18, 2007 #20 · X-Cell (Part 4) Jun 27, 2007 #21 · The Isolationist, Part 1; Endangered Species, Chapter 3 Jul 11, 2007 #22 · The Isolationist, Part 2: Natural Order; Endangered Species, Chapter 7 Aug 8, 2007
