The Peacemaker Finale Has Brought It Into The Larger DCEU, Here's What The Ending Means

gamespot.com:

The current state of the DC extended universe, or the DCEU, is a bit fractured. On one hand, some movies are still invested in the formally unified front of the Justice League days, but on the other, movies like The Batman or Joker seem completely independent of any shared continuity. And then, there's James Gunn's Suicide Squad, which seemed to be a little of both--a return for some characters and actors who have existed in the DCEU before, but a fresh start for others.

The Suicide Squad managed to skirt the issue of the context of any larger shared universe by relying solely on name-drops and vague allusions to other heroes or villains, and, by and large, its spin-off TV show, Peacemaker, followed the same formula. Yes, characters like Batman and Superman «existed» in the world, Peacemaker himself would often name-check them with childish insults, but the question of which versions of these characters he was talking about never actually had to be clarified.

That is, until now. Peacemaker has finished its ten episode Season 1 run on HBO Max this week and brought some spectacular cameos with it. Here's what they (and that ending) mean.

Major spoilers for Peacemaker Season 1 ahead.

After the team was successfully able to blow up the «cow» and stop the butterflies from taking over the world (though, we do learn that the butterflies' motives were at least somewhat altruistic) they're left to haul themselves out of the barn's wreckage. On their way out, however, they're intercepted by the arrival of four, instantly recognizable silhouettes. Superman, Aquaman, Wonder Woman, and The Flash have arrived--but it's too little, too late of course. The threat is already abated.

While it wouldn't be the first time a DC movie has