Vengeance is Coming. . .

You don't have to wait until the new Batman film to meet a real dark Knight.
Daemon Grim has been eager to wreak vengeance on those who stray for an eternity.

You can find out more about him and all the other dark deeds that take place throughout the underverse in:

Heroes in Hell

And even better - A new anthology will be with us soon.
You know it makes complete sense