The Justice League is DC Earth's most powerful super-team, one that's faced everything from alien invasions to powerful villain allegiances. Since the Earth is still standing, it's safe to say their record with the bad guys is perfect. In fact, more dangerous than the bad guys are the arguments the team has among their own members, which can often get so bad they threaten to tear the team itself apart.
Source：https://www.cbr.com/comic-events-that-nearly-tore-the-justice-league-apart/
