The cast of The CW's upcoming "Legends of Tomorrow" offered their own takeaways from the series in a new behind-the-scenes featurette, including what dangers their motley crew will face, how the group will interact and the way they "could seriously mess up the future."

REVIEW: "DC's Legends of Tomorrow" is Like a Comic Book Crossover Event - In the Best Ways

Scheduled for a Thursday, January 21 premiere, "Legends of Tomorrow" stars Caity Lotz as White Canary, Brandon Routh as the Atom, Wentworth Miller as Leonard Snart/Captain Cold, Dominic Purcell as Mick Rory/Heat Wave, Victor Garber as Professor Martin Stein (one-half of Firestorm), Franz Drameh as Jefferson "Jax" Jackson (the other half of Firestorm), Ciara Renee as Hawkgirl and Arthur Darvill as time-traveler Rip Hunter. Stephen Amell and Grant Gustin will appear as Arrow and The Flash.