Matt Ryan will reprise his role of demon hunter John Constantine for a two-episode arc on Legends of Tomorrow this season.
"Having Matt Ryan reprise his iconic — dare we say legendary — role of John Constantine on Legends is something that [executive producer] Marc [Guggenheim] and I have been working toward since season one, and now the stars have finally aligned," executive producer Phil Klemmer tells The Hollywood Reporter. "While we are working to finish our 2017 Arrow-verse crossover, which is no joke the most ambitious bit of network TV that four shows have ever had the audacity and insanity to endeavor, we were looking for a way to make an equally exciting 2018 return. That's how we came up with Matt Ryan."
"As for the character of Constantine, we knew that an alienated, chain-smoking, bisexual, world-weary demonologist would feel right at home among our Legends," says Klemmer. "His appearance in episode 310 will involve the following: a revisiting of Arrow season four and the events following that season's finale episode; a confrontation with this season's Big Bad on Legends — the name we've only heard whispered until now, Mallus; some hot sex — something that has been in short supply on the Waverider thus far in season three; and Damien Darhk [Neil McDonough], because how can you do an episode about dark magic and not have Damien Darhk? More than anything, the episode promises to be scary as you know what — tonally it's The Exorcist meets One Flew Over the Cuckoo's Nest. Demonic possession in a mental institution — what's not to love?"