DC’s Legends of Tomorrow Season 3 art revealed Though the series won’t return until this fall, star Brandon Routh has taken to Twitter to reveal the first look at new art for DC’s Legends of Tomorrow Season 3! Check it out in the gallery below! After the defeat of Eobard Thawne and his equally nefarious Legion of Doom, the Legends face a new threat created by their actions at the end of last season.