Source: Swamp Thing vol.5 #16, Animal Man vol.2 #17 (2013)
Type: Alternate future
So are we prepared to take it all the way to the end and say that Lemire and Syder are none too impressed with the other rotten heroes that show up to defend Arcane's fortress? Superman, Wonder Woman and the Flash (AKA the Justice League)? Suicide Squad? The Birds of Prey?
Go on, tell it's a coincidence.