Mercurio the 4-D Man

A Jim Starlin creation from 1982, Mercurio the 4-D Man arrived in the Bronze Age via one of Marvel's most celebrated early graphic novels — The Death of Captain Marvel — placing him in genuinely rarefied company alongside cosmic heavyweights like The Stranger, Uatu, Eon, and even Death itself. That debut alone earns him a place in any serious Marvel collector's awareness, as the graphic novel he springs from is one of the publisher's landmark publications. Though his catalog footprint is compact, the prestige of the stages he's walked — from that 1982 milestone through appearances in Quasar and beyond into the 2020s — makes Mercurio a fascinatingly durable figure on the outer edges of the Marvel cosmos.