James Gunn explains why that #JusticeLeague cameo in #Peacemaker S1 is no longer canon: "They don’t exist yet. But the rule is: if we mention [something from the past] in one of the new DCU shows, then it happened. So that’s the way we’re dealing with it" 

(Via#DC #DC_Comics #DCU
#JusticeLeague #Peacemaker