Katz is known for his Black List script The Man in the Rockefeller Suit, and has multiple features in development, including Chasing Phil with Robert Downey Jr.'s Team Downey and Warner Bros. He also has comic book experience, performing a rewrite on New Line's Spawn as well as penning the play The History of Invulnerability, which is about the creation of Superman. He also penned a Jason Bateman comedy for Universal about two undercover FBI agents.

Stashwick comes from the acting world and has worked on Fox's Batman prequel Gotham, as well as SyFy's 12 Monkeys. He recently revealed he was working on the Suicide Squad 2 script and describes himself as a lifelong DC fan.

Warner Bros. is eager to move forward with a sequel to Suicide Squad, which may have struggled with critics, but earned $746 million worldwide. Legend of Tarzan's Adam Cozad had previously worked on a script to the sequel. Warner Bros. has multiple projects at various stages of development in the works with Suicide Squad characters, including several that could star Robbie's Harley Quinn and Leto's Joker. No release dates have been set for any of them.

Katz is repped by CAA, Untitled Entertainment and Schreck Rose Dapello Adams Berlin & Dunham. Stashwick is repped by APA, Meghan Schumacher Management and Lichter Grossman Nichols Adler & Feldma.