VIDEO : 'Legends of Tomorrow' Finale Confirms John Constantine

The season three finale of DC's Legends of Tomorrow will bring John Constantine back to the series once again. It follows a recent appearance by the character played by Matt Ryan, in the midseason premiere and an upcoming appearance in the season's fifteenth episode.
Warner Bros. Television confirmed that Ryan will reprise his role as John Constantine in the finale. The compnay would not say anything about what he might be doing there or how large a role Constantine will play in the finale.