• Actor Stephen Amell listens onstage to the panel discussion during the 'Arrow' and 'The Flash' panel as part of The CW 2015 Winter Television Critics Association press tour at the Langham Huntington Hotel & Spa on January 11, 2015 in Pasadena, California.

Actor Stephen Amell listens onstage to the panel discussion during the 'Arrow' and 'The Flash' panel as part of The CW 2015 Winter Television Critics Association press tour at the Langham Huntington Hotel & Spa on January 11, 2015 in Pasadena, California. (Photo : Getty Images/ Frederick M. Brown)

"Arrow" Season 5 resumes its run with episode 10 (midseason Premiere) on Jan. 25 on The CW. The upcoming episode is titled "Who Are You?" and it will delve deeper into the miraculous return of Laurel Lance. Here are the spoilers for the next chapter of the series. Read on to find out what happens next.

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[Spoiler alert! This article contains spoilers for "Arrow" Season 5 episode 10 "Who Are You?" Do not read further if you don't wish to know more about it.]

"Arrow" Season 5 midseason finale ended with a shocker. Oliver goes after Prometheus and kills him. Later, he discovers that he actually killed Billy while the real Prometheus is still alive. Felicity is devastated to find Billy is dead. Curtis' husband discovers her true identity. Diggle is taken into captivity again. The show ended with a major cliffhanger when it is revealed that Oliver may have found that Laurel Lance is alive.

When the series returns next week, it is expected to shed light on the return of Laurel. According to Spoiler TV's press release of "Arrow" Season 5 episode 10, Oliver heads out for justice. At the same time, Felicity continues to mourn Detective Malone's death. She is determined to seek revenge from Prometheus and decides to go after him and stop him.

According to the description, Oliver is worried that Prometheus might be right about him when he said that he is "truly a killer at heart." However, Laurel Lance's return might be a ray of hope for him.

In an interview with TV Line, "Arrow" showrunner Wendy Mericle reveals that Laurel's return will be "a very welcome surprise" for Oliver. However, there is more than meets the eye.

"But there will be... whatever the reverse of a 'silver lining' is... when he finds out what's really going on. It will have a lot of emotional resonance, particularly for him and Felicity," Mericle said.

In addition, Malone's death will push Felicity to "a darker place." Meanwhile, Diggle is put in a prison again where he fights for his life. As per the showrunner, when Diggle comes out of the prison he will have bigger goals to achieve. He will go against Colonel Walker and he will also "grow closer to Adrian Chase."

"Arrow" Season 5 episode 10 airs Jan. 25 at 8:00 pm on The CW. Stay tuned for more spoilers and updates.