DC’s Legends of Tomorrow 2×10 “The Legion of Doom” Season 2 Episode 10 Promo – The Legends are determined to find and rescue Rip (Arthur Darvill), but first must focus on locating the Spear of Destiny. Stein (Victor Garber) thinks he has the perfect person to help but knows involving her will be risky. Meanwhile, Malcom Merlyn (guest star John Barrowman) and Damien Darhk (guest star Neal McDonough) realize that Thawne (guest star Matt Letscher) is pitting them against each other. Caity Lotz, Brandon Routh, Dominic Purcell, Nick Zano, Franz Drameh and Maisie Richardson-Sellers also star. Eric Laneuville directed the episode written by Phil Klemmer & Marc Guggenheim (#210). Original airdate 1/31/2017.