The Elizabeth Arkham Asylum for the Criminally Insane, commonly referred to as Arkham Asylum, is a fictional psychiatric hospital/prison, named after the city of Arkham which appeared first in the stories of H. P.
Lex Luthor builds a team of supervillains with the hope of destroying the Justice League. After hatching a plan with the team, they decide to get ahold of Kryptonite, in hopes of killing Superman…