Deathstroke, The Terminator #6 (1991)

City Of Assassins, Pt 1: The Offer
City of Assassins: Part 1 of 4. "Revelations and Revolutions!" Batman cameo. Story by Marv Wolfman. Art by Steve Erwin and Will Blyberg. Cover by Mike Zeck. Someone is assassinating mob bosses in Gotham City. Deathstroke intends to find out who. The only problem is Gotham is the home of the Dark Knight, and he doesn't take kindly to a wanted murderer running around his city. Cover price $1.75.
Release Date: 1991