DC Comics feature the teams Justice League Dark and Suicide Squad , and the villain Doomsday .
Most of their material takes place in the fictional DC Universe , which also features teams such as the Justice League , the Teen Titans , the Justice Society of America , and the Doom Patrol , and well-known villains such as Lex Luthor , Darkseid , Brainiac , The Joker , Catwoman , Poison Ivy , Ra 's al Ghul , Ares , Cheetah , Professor Zoom , Sinestro , Black Manta , Harley Quinn , Ocean Master , Black Adam and Deathstroke .
DC Comics