Historical clue formulations

• DC figure since 1938 — 2025-10-17
• Figure on the cover of Action Comics #1 — 2023-03-21
• Hero who's neither a bird nor a plane — 2018-03-12
• Not just your average Joe — 2004-12-04
• 1978 blockbuster movie co-written by Mario Puzo — 2004-04-11
• Zod's archenemy — 1998-10-31
• Second-biggest movie hit of 1978 — 1997-07-22