Comics › X-Factor #8 Image 1 of 1 X-Factor #8 $4.99 Louise Simonson's X-Factor with pencils and cover by Marc Silvestri, from the original X-Men's 1986 series. Add To Cart Added! Louise Simonson's X-Factor with pencils and cover by Marc Silvestri, from the original X-Men's 1986 series.