Marvel Comics is a prominent American comic book publisher known for its vast array of superhero characters and stories. Founded in 1939, it has created iconic figures such as Spider-Man, Iron Man, and Captain America, captivating audiences with their adventures and moral dilemmas. The Marvel Universe is a shared fictional universe where these characters interact, often crossing over into each other's storylines. This interconnectedness has led to a rich tapestry of narratives that explore themes of heroism, friendship, and sacrifice, making Marvel Comics a cornerstone of popular culture.