Mantis (Netflix 2025) is gearing up to be one of the hottest global premieres of the year. Dropping worldwide on September 26, 2025, this South Korean action-thriller film is the official Kill Boksoon spin-off — and fans around the world are already buzzing.

Why Mantis Is Netflix’s Next Big Hit?

Korean thrillers have already taken the world by storm (Squid Game, Kill Boksoon, The Glory), and Mantis looks set to push the bar even higher. With edge-of-your-seat fight choreography, high-stakes assassin rivalries, and a brutal underworld collapse, this is not just another K-drama movie — it’s a global blockbuster in the making.

Fans searching for best new Korean Netflix movies 2025, upcoming Korean action films, or Netflix assassin thrillers will have their eyes glued to this release.

Worldwide Release Date — Mark Your Calendars

• Release Date: September 26, 2025
  
• Platform: Netflix (global streaming release)
  
• Runtime: 113 minutes
  

Whether you’re in the US, UK, Europe, India, or Southeast Asia, Mantis will be dropping simultaneously, making it one of the most anticipated global Netflix movie releases 2025.

Mantis Cast and Characters

Star	Role	Why Fans Are Excited
Yim Si-wan	Han-ul (Mantis)	The ace assassin returning from “vacation” to a killer’s chaos.
Park Gyu-young	Jae-yi	Former rival and emotional counterforce to Mantis.
Jo Woo-jin	Dok-go	A legendary retired killer pulled back into the blood-soaked game.

This powerhouse lineup combines charisma, grit, and emotional intensity — a recipe for global buzz across Netflix fandoms.

The Plot — Assassin Rivalries in a Collapsing Underworld

Mantis follows Han-ul (codename Mantis), a deadly assassin who returns from a break only to find the once tightly controlled world of killers descending into chaos. Rivalries heat up as he faces Jae-yi, a rival with unfinished business, and Dok-go, a mentor forced back into the fray.

The rules are gone. Survival is everything. And only the deadliest will rise to the top.

Behind the Scenes — The Kill Boksoon Connection

• Director: Lee Tae-sung (feature debut)
  
• Writers: Byun Sung-hyun (Kill Boksoon), Lee Tae-sung, Lee Jin-seong
  
• Studio: See At Film
  
• Distributor: Netflix
  

Fans of Kill Boksoon will recognize the shared assassin universe, but Mantis will introduce a darker, faster, and more ruthless storyline that expands the lore.

Why You Can’t Miss Mantis

• Global Netflix premiere → No waiting for local releases.
  
• High-octane fight choreography → On par with John Wick and The Night Comes for Us.
  
• Star power → Yim Si-wan and Park Gyu-young already trending across drama circles.
  
• Perfect for binge culture → Killer action, emotional drama, and non-stop suspense.
  

For fans Googling Netflix Korean action thriller September 2025, this is your next obsession.

Final Take — Mantis Will Rule Netflix in 2025

With its worldwide release, A-list Korean cast, and explosive assassin storyline, Mantis (2025) is set to dominate trending charts across the globe. Whether you’re into action, thrillers, or character-driven dramas, Mantis is the Netflix film to watch this year.

Don’t miss it — September 26, 2025, only on Netflix.

Don’t Miss Out: