A Certain Killer/A Killer’s Key Collection backdrop
A Certain Killer/A Killer’s Key Collection poster
Official Collection
Series Freshness: Apr 17, 2026

A Certain Killer/A Killer’s Key Collection

A series of films about a hitman

2Movies
★ 7.5 Avg Rating

A Certain Killer/A Killer’s Key Collection Movies: Timeline & Franchise Overview

The A Certain Killer/A Killer’s Key Collection franchise spans roughly 0 years, featuring 2 interconnected films that build a shared narrative universe.

From its earliest installment to the most recent release, the series has expanded its world-building while introducing new characters and story arcs. Notable entries such as A Killer's Key demonstrate the franchise’s ability to maintain audience interest over time.

Franchise Quality Benchmark

Across all entries, the series holds an average audience rating of 7.0. While many long-running franchises experience declining reception, this series continues to deliver memorable cinematic moments.

Viewing Order Strategy

Most viewers prefer watching the films in release order, which reflects how audiences originally experienced the evolving story.

However, a chronological viewing order can provide deeper insight into the timeline of events within the A Certain Killer/A Killer’s Key Collection universe.

Timeline & Watch Order

We recommend watching the A Certain Killer/A Killer’s Key Collection franchise in the following order to fully experience the narrative expansion.

1
A Certain Killer

A Certain Killer

1967★ 6.6HIT

A former soldier, reduced to working at a restaurant post-war, becomes a contract killer for the yakuza gangs he's in contact with....

2
A Killer's Key

A Killer's Key

1967★ 7.5SUPER HIT

A lone wolf assassin, masquerading as a traditional dance instructor named Nitta, is called in to avert a potential financial scandal that threatens to engulf a...

Common Questions about A Certain Killer/A Killer’s Key Collection

How many movies are in the A Certain Killer/A Killer’s Key Collection?

There are currently 2 movies in the A Certain Killer/A Killer’s Key Collection, starting from A Certain Killer to the latest release, A Killer's Key.

What is the best order to watch the A Certain Killer/A Killer’s Key Collection?

The best way to watch the A Certain Killer/A Killer’s Key Collection is usually in release order: starting with A Certain Killer and ending with A Killer's Key. Check our timeline for the full chronological breakdown.

Which is the highest-rated movie in the A Certain Killer/A Killer’s Key Collection?

According to movieMx ratings, the fans have a strong preference for A Killer's Key in this franchise.