I am Metron. I am keeper of all knowledge past and prsent, archivist of ideas and timelines, voyeur to this universe and those beyond it. I have seen on the horizon a dark tomorrow. A war between the two most powerful and evil beings in the existence is about to erupt. And if I dont stop this war from happening, once again history will unravel…but this time, reality may not be stable enogh to survive it.
From – Justice League Vol 2 #40