X-Factor™ Vol. 1 #6
©Marvel Comics - (1986-1998) - 149 issue series
X-Factor launched in 1986, featuring an eponymous team composed of the five original X-Men. In 1991, the founding members were incorporated back into the regular X-Men series, and X-Factor relaunched as a U.S. government-sponsored team incorporating many secondary characters from the X-Men mythos.