The Locksmith appeared in Spider-Woman #50 (June 1983), and was created by Ann Nocenti and Brian Postman.
The Locksmith was a lock designer and escape artist who believed that the feats of super-powered beings have overshadowed the achievements of ordinary humans.
For this reason, he captured super-powered beings in San Francisco and imprisoned them within specially designed cells.
Their captives included Tigra, Poltergeist, Angar the Screamer, Flying Tiger, Gypsy Moth, Killer Shrike, Needle, Tatterdemalion, the Werewolf, Daddy Longlegs, Nekra, Enforcer, Hangman, and Dansen Macabre.
Spider-Woman convinced Tigra to make Poltergeist angry enough to start a fight, in which they shorted out their specially designed prisons.