 | This article describes a work or element of fiction in a primarily in-universe style. (October 2009) |
The Legacy Virus is a fictional plague appearing in American comic books featuring the X-Men published by Marvel Comics. It first appeared in an eponymous storyline in Marvel Comics titles, from 1993 to 2001, during which it swept through the mutant population of the Marvel Universe, killing hundreds, as well as mutating so that it affected non-mutant humans as well.