Usagi Yojimbo: The Hidden — Dark Horse Comics
Issue: #6
At last, Usagi and Inspector Ishida have cracked the mystery surrounding the foreign box, revealing a secret so explosive it could eradicate the Shogunate. However, unbeknownst to the duo, the government isn't as oblivious as they assumed and may just be one step ahead of the pair, ready to spring a trap!
Creators: Tom Luth, Stan Sakai
Characters: Usagi Yojimbo, Nezumi, Inspector Ishida