Writer and director Kevin Smith recently revealed the one condition that comic book legend Stan Lee had to appear in Mallrats. Panned by critics and a disappointment at the box office, the 1995 comedy movie was not an immediate success for Smith. But thanks to its self-aware geekiness, witty dialogue, and an appearance by the late Stan “The Man” Lee, Mallrats has gone on to cult classic status since its release nearly three decades ago.
https://screenrant.com/mallrats-stan-lee-cameo-condition-explained-kevin-smith/