We’ve already seen a batch of promo images for next week’s seventeenth episode of Supergirl season 3 [check them out here], and now The CW has released a trailer for ‘Trinity’ which you can watch here…
SUPERGIRL TAKES ON ALL THREE WORLDKILLERS — Still reeling after learning about Lena’s (Katie McGrath) secret, Supergirl (Melissa Benoist) asks Guardian (Mehcad Brooks) for a favor that could alter his relationship with Lena forever. Meanwhile, with all three Worldkillers united, Supergirl and the team brace for an epic battle.
Supergirl season 3 airs on Monday nights on The CW.
Photo Credit: The CW