(W) Robert Venditti (A) Eddy Barrows, Eber Ferreira (CA) Gary Frank. At the mercy of the Black Mercy! As they return from their adventure on the planet Trotha* the Justice League crashes on the homeworld of the Black Mercy! There* they fall prey to the most powerful psychological threat they've ever faced! Written by Jeff Loveness (Cartoon Network's Rick and Morty)* this two-part descent into the dark corners of the superhero psyche will unearth fresh horror. ON SALE 07.15.20