Retired Relics

Write about a world where all superheroes have grown old and retired.

In this universe, superheroes age like everyone else, and all the famously known ones have retired or are way past their prime. How does the world handle crises alone, with its old protectors incapable of helping? Or, are there any new superheroes emerging? This prompt delves into themes of aging, change, and the making of new legacies.