Legacy franchise IP (MCU, DC, Harry Potter, Bond) is experiencing simultaneous structural decline as audience trust in franchise quality signals breaks

The MCU's 2025 worldwide box office totaled ~$1.316B across three films (Fantastic Four: $520.5M, Captain America: $413.6M, Thunderbolts: $382.4M) — less than the single 2024 film Deadpool & Wolverine ($1.338B) and 60-80% below Avengers: Endgame's $2.8B peak. This is not isolated to Marvel: CNBC's January 2026 report notes 'all of the top franchises that have powered the past 25 years at the multiplex—Harry Potter, Fast & Furious, Jurassic World, Star Wars, Bond, etc.—are all on fumes.' The structural cause is revealed in social sentiment data across X, Reddit, and TikTok: 'Fans no longer trust that every MCU title is worth the price of admission.' This represents a breakdown of the information cascade mechanism where franchise brand served as a quality signal. When consumers used franchise membership as a heuristic for quality, each film benefited from accumulated brand trust. Once that trust breaks — when enough titles disappoint — the cascade reverses and franchise membership becomes a negative signal. The simultaneity across multiple franchises (Marvel, DC, Bond, Mission: Impossible per The Ankler analysis) suggests this is a structural shift in how audiences evaluate franchise IP, not franchise-specific execution failures. The only exceptions noted were 'movie stars, fresh IP, and animation' — categories where quality signals come from sources other than franchise membership.