However, Stan Lee persisted and in 1962 Spider-Man officially debuted in Amazing Fantasy #15 – by Stan Lee and Steve Ditko – and practically over night became a hit sensation. By the end of 1962, Amazing Fantasy #15 ranked as Marvel’s best-selling single issue, and the rest was history.
https://screenrant.com/spider-man-nearly-canceled-marvel-comics-stan-lee-explainer/

