Bruce Wayne died in that alley instead of his parents. In his place, a grizzled, gun-toting Thomas Wayne takes up the mantle of Batman.
Wonder Woman’s Amazons and Aquaman’s Atlanteans are engaged in a global war that has already decimated Europe. subtitle Justice.League:.The.Flashpoint.Paradox...
The premise is a classic "butterfly effect" nightmare. Barry Allen (The Flash) wakes up in an alternate reality where his mother is alive, but everything else is a disaster: Bruce Wayne died in that alley instead of his parents