Mother Superior

Emerging from the darker corners of Marvel's Bronze Age in 1984, Mother Superior made her mark in Captain America #296 — a debut crafted by the acclaimed J. M. DeMatteis and Paul Neary that collectors still flag as a key issue worth tracking down. She's a figure steeped in the sinister atmosphere that defined some of Captain America's most unsettling storylines, sharing those pages with an ominous roster that includes Sister Death, Sister Agony, and Sinthea Shmidt, alongside familiar Marvel faces like Jack Monroe and Sam Wilson. Though her catalog footprint is compact, her presence has lingered across nearly four decades of Captain America publishing history, a testament to the lasting impression she left on that corner of the Marvel universe.