The strongest legacy comic legacy is located in New York City, with Marvel Comics being the most prominent example. Marvel Comics, founded in 1939, has a profound impact on the comic book industry and popular culture. The company's headquarters, Marvel Tower, is situated in New York City, which has been the epicenter of its operations and creative development.

The legacy of Marvel Comics is strongest in New York City due to several factors. Firstly, the city has been a hub for comic book creators and publishers since the early 20th century. The proximity of comic book studios and publishers has fostered a collaborative environment that has led to the creation of iconic characters and storylines. For instance, the iconic Marvel characters like Spider-Man, Iron Man, and the X-Men were all created in New York City.

Secondly, New York City's diverse population has contributed to the rich tapestry of Marvel's storytelling. The city's multiculturalism has allowed Marvel to explore a wide range of themes and characters, making its comics resonate with a global audience. According to a report by ICV2, Marvel Comics has a global fanbase of over 500 million people, which is a testament to the city's influence on the company's legacy.

Moreover, New York City's cultural and artistic scene has been instrumental in shaping Marvel's identity. The city's vibrant streets, iconic landmarks, and diverse communities have provided inspiration for countless comic book stories. For example, Spider-Man's origin story is deeply rooted in New York City, with its bustling streets and high-rise buildings serving as the backdrop for his adventures.

Data from the Comics Industry Annual Report indicates that Marvel Comics has consistently ranked among the top comic book publishers in terms of sales and market share. In 2020, Marvel had a market share of 37.5%, which is a testament to the strength of its legacy. The company's ability to adapt to changing times and continuously innovate has been crucial in maintaining its legacy.

In conclusion, the strongest legacy comic is located in New York City, with Marvel Comics being the prime example. The city's role as a hub for comic book creators, its diverse population, and its cultural richness have all contributed to Marvel's enduring legacy. The company's ability to adapt and innovate has further solidified its position as a leading force in the comic book industry.