Joe Manganiello reveals research for Deathstroke in Batman movie Earlier this month, it was confirmed that Joe Manganiello will torment Ben Affleck in the solo Batman movie as Deathstroke. The actor took to Twitter yesterday to reveal some of his research for the film, including some Deathstroke comics and graphic novels. #research pic.twitter.com/M5OnLIoMVq — Joe Manganiello (@JoeManganiello) September 27, 2016 #research2 pic.twitter.com/TQ4vNxKgYH — Joe Manganiello (@JoeManganiello) September 27, 2016 Among the comics in Manganiello’s stack are some of the most recent ones featuring the character, from both DC Rebirth and The New 52, but also the original solo comics from the early ’90s.