To celebrate the 35th anniversary of the series, Dark Horse released a massive titled Usagi Yojimbo: 35 Years of Covers .
: A masked killer is on a rampage, having already murdered three bounty hunters. [S3E35] Usagi Yojimbo
In the Dark Horse series (Volume 3), features a suspenseful chapter titled "Mystery of the Devil Mask" . To celebrate the 35th anniversary of the series,