Duluth, Minnesota-based artist and designer Matthew Olin has created a series of typographic superhero posters for his MFA thesis exhibition, Some Type of Hero. Comic book heroes and villians are constructed from shapes from a family of type - Spiderman from script faces, or Batman from sans serifs.
Others are created from a specific typeface, like this Didone Catwoman:
See the full collections, including a slab serif Hulk, a Blackletter Thor, and a display type Cyclops:
SUPERHERO TYPOGRAPHIC POSTERS BY MATTHEW OLIN [Design Milk]