Caity Lotz is coming back as Sara Lance in Legends of Tomorrow, the trailer for the series shows that she was resurrected in the Lazarus pit which brings her back. Now talking to E! Online, Arrow executive producer Marc Guggenheim confirmed that we’re going to learn how she becomes The White Canary.
“The White Canary will be launched in the first few episodes of Arrow, 4×08, our typical crossover episode, will be doing a lot of heavy-lifting in terms of getting the Legends of Tomorrow characters set up and also seeing where they are with relation to The Flash. It’s a big episode.”