During the "Forever Evil" storyline, Steve Trevor encounters Deathstroke, Copperhead, and Shadow Thief at the White House when he is looking for the President. Later, the party turns up in Wayne Industries with Power Ring to fight Batman, Lex Luthor, and other heroes and villains who are against the Crime Syndicate. Deathstroke has Lex Luthor's life in his hands, but Lex Luthor persuades him that it will do him no good if the Syndicate takes over the Earth. Slade has a change of mind and shoots Copperhead in the head, killing him. After they defeat the rest of the gang, Deathstroke remarks that Lex Luthor ought to pay him a big fat check after this is over. Deathstroke then joins Batman and Luthor in the battle against the syndicate he is seen battling Deathstorm when the Syndicate attacks the fallen watchtower. The syndicate later retreats when they find out that Alexander Luthor has been freed. Deathstroke witnesses the only "hero" from Earth-Three kill Deathstorm and steal his abilities. Alexander Luthor then attacks Deathstroke, shattering his helmet while he lets out a string of obscenities directed at Luthor.