Justice League of America (2006) #17
an issue of Justice League of America (2006) by DC Comics
Issue description
Double trouble for the League! First, in the lead story written by Alan Burnett, a mysterious and familiar team from beyond time has infiltrated the Hall of Justice looking for a weapon. Will Black Lightning be their first victim? And wait ’til you see who they are!
Plus, writer Dwayne McDuffie begins a very special back-up story exploring what’s wrong with Vixen's powers. And when her condition worsens, it leads to a new arc and major change for the Leaguer!