Solo Avengers (Solo Avengers #4)

Hawkeye's been arrested for murder! Can the Avengers' ace archer escape Silver Sable's castle to prove his innocence? Also: It began with Dr. Druid examining the Black Knight's mystic ebony blade. Then Dr. Druid was possessed by the spirit of the Black Knight's last descedant, who reveals the blade's bloody curse! Will the Black Knight obey his descendant and destroy the blade, and thus save future generations? The answer, the Black Knight discovers, is not as simple as it seems!