There's lots of new stuff coming to Supergirl season 2, including a JSA villain running an alien fight club!

With all of the hype about the Justice Society coming to Legends of Tomorrow, it's worth noting that Supergirl season 2 episode 4 will introduce a version of a JSA villain, in the form of Roulette (played by Dichen Lachman).
Here's the official synopsis:
When Kara (Melissa Benoist) and Alex (Chyler Leigh) investigate the murder of an unregistered alien, the trail leads to an alien fight club run by Roulette (guest star Dichen Lachman), the ringmaster who commands aliens to fight in mortal combat for the entertainment of rich humans. While trying to stop the fighting, Supergirl and Martian Manhunter find themselves up against a surprising opponent. Meanwhile, Hank (David Harewood) is thrilled to have found another Martian and tries to get to know M’Gann (guest star Sharon Leal) better. Supergirl takes Mon-El (Chris Wood) under her wing and begins to train him.
There's a hint of a Legends of Tomorrow connection here, too. Roulette first appeared in JSA Secret Files #2 in 2001, and was introduced as a Justice Society villain. Since the JSA are such a major factor in Legends of Tomorrow Season 2, perhaps this is an indicator that there will be some additional opportunity for crossovers. But her MO is mostly the same here as it was in the comics (although she ran a superhero fight club not an alien one in the comics).
Check out the trailer:
"Survivors" airs on October 31st.
You can read our review of the most recent episode, "Welcome to Earth" right here.
Watch Supergirl Season 1 on Amazon
Supergirl Season 2 Episodes
Supergirl Season 2 Episode 1: The Adventures of Supergirl
When a new threat emerges in National City, Kara/Supergirl (Melissa Benoist) teams up with her cousin, Clark Kent/Superman (guest star Tyler Hoechlin), to stop it. Kara is thrilled to have family in town but it leaves Alex (Chyler Leigh) feeling a bit left out. Meanwhile, Hank (David Harewood) and Supergirl are stunned by the pod that came crashing to Earth.
air date: 10/10/16
Supergirl Season 2 Episode 2: The Last Children of Krypton
CADMUS attacks National City with a kryptonite powered villain who ends up seriously hurting Supergirl (Melissa Benoist). Superman (guest star Tyler Hoechlin) blames Hank (David Harewood) because the kryptonite was stolen from the DEO. Meanwhile, Kara’s first day at her new job doesn’t go as planned after she meets her new boss, Snapper Carr (guest star Ian Gomez).
We also have a complete guide to Superman easter eggs in the episode right here!
air date: 10/17/16
Supergirl Season 2 Episode 3: Welcome to Earth
An attack is made on the President (guest star Lynda Carter) as hot-button, alien vs. human rights issues heat up in National City. Supergirl (Melissa Benoist) and the DEO are assigned to protect the President and bring in the responsible party. Alex (Chyler Leigh) teams up with Detective Maggie Sawyer (Floriana Lima) to investigate the case while Kara searches for a recently escaped Mon-El (Chris Wood), who she fears may be the alien behind the assault.
air date: 10/24/16
Supergirl Season 2 Episode 4: Survivors
When Kara (Melissa Benoist) and Alex (Chyler Leigh) investigate the murder of an unregistered alien, the trail leads to an alien fight club run by Roulette (guest star Dichen Lachman), the ringmaster who commands aliens to fight in mortal combat for the entertainment of rich humans. While trying to stop the fighting, Supergirl and Martian Manhunter find themselves up against a surprising opponent. Meanwhile, Hank (David Harewood) is thrilled to have found another Martian and tries to get to know M’Gann (guest star Sharon Leal) better. Supergirl takes Mon-El (Chris Wood) under her wing and begins to train him.
air date: 10/31/16
Supergirl Season 2 Episode 5: Crossfire
Supergirl (Melissa Benoist) must beat a ruthless new gang who has been armed with dangerous new alien technology. When Cadmus sends a video to the DEO, the team realizes Cadmus is the one staffing the criminals for a secret mission. Meanwhile, Kara (Melissa Benoist) gets Mon-El (Chris Wood) a job as an intern at CatCo, James makes an important decision and Lena (Katie McGrath) invites Kara to attend one her fundraisers.
air date: 11/7/16