How did adult comics gain academic respectability after the late 1960s?

After the late 1960s, adult comics gained academic respectability through a combination of cultural shifts, formal innovation, and the emergence of the graphic novel as a distinct, serious medium.1

This maturation was driven by several key factors:

• Countercultural Influence: The "underground" comix movement of the late 1960s, led by figures like R. Crumb, challenged authority and explored mature themes, helping to break the medium's association with juvenile entertainment.12
• Formal Sophistication: By the 1980s, works such as Art Spiegelman’s Maus, Alan Moore’s Watchmen, and Frank Miller’s The Dark Knight Returns demonstrated a high degree of narrative complexity, moral ambiguity, and artistic innovation comparable to traditional literature.13
• Academic and Critical Recognition: A groundswell of academic interest in the 1970s sought to validate comics by tracing their history to ancient word-image traditions. The subsequent critical acclaim—including Maus winning a Pulitzer Prize—cemented the medium's intellectual clout.435
• Market Evolution: The rise of the direct-sales market and the placement of comics in bookstores allowed for higher-quality production, moving the medium away from newsstand ephemera toward book-length, serious narratives.467