During the Legends of Tomorrow panel at San Diego Comic-Con today, new heroes and villains were revealed for season two.

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Familiar faces from The CW’s Arrow and Flash will make up the Legion of Doom, including John Barrowman as Malcolm Merlyn, Wentworth Miller as Captain Cold, Neal McDonough as Damien Darhk, and Matt Letscher as Reverse Flash, all reprising their respective roles.Patrick J. Adams will return as Rex Tyler (Hourman), following his introduction in the season one finale. Hourman will be a part of the Justice Society of America, and other JSA members will include Obsidian, Stargirl and Dr. Mid-Nite, all of whom have yet to be cast.Also at the panel, The CW confirmed that Stephen Amell will appear in the premiere of season two, once again playing Oliver Queen from Arrow, and that Jonah Hex will return this season.Legends of Tomorrow will return for season two on The CW on October 13 at 8:00 p.m. ET.Visit IGN's Comic-Con 2016 hub for all the news from the show, and for more on Legends of Tomorrow, check out our Legends of Tomorrow season 1 review

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