Black Adam

Similar origin main being that he is one of the first to be given the S.H.A.Z.A.M serum granting him Superstrength 14 tons, bioeletrcity, durability, and able to jump 20 feet in the air giving the illusion of him flying. Unfortunately the serum affected his mental state to become very unstable. Eventually he was locked up and sedated for 30 years in a maximum security prison in kahndaq but eventually escape in the early 2010s

Deathstroke

same origin, one of the villians that appeared in Gotham during Batman’s eight year absence

Doomsday

a failed attempt to clone Superman in my dc nolanverse by Lex luthor known as experiment D. In a attempt to have control of there own meta-humans Lex Luther went through several experiments to clone Superman, eventually doomsday escaped and engaged in a deadly with Superman and Justice league ultimately causing his both of there deaths.…