The Criterion Collection have produced 2K restorations of the original 6 live action films to be released on March 27th 2017 in the UK (amazon link), which seem to have been previously released in the states.
Here's Paul Pope's art for the box set:
The films, based on (writer) Kazuo Koike and (artist) Goseki Kojima's manga of the same name about Ogami[...]
