Stan Lee, the man who helped propel Marvel into the entertainment juggernaut it is today,.
After playing an instrumental role in creating beloved characters like Spider-Man, the Avengers, X-Men, Black Panther and more, Lee has become an icon of the comics world, with his reach and influence growing in tandem with Marvel's expansion into its cinematic universe.
As news of his passing spread, those who have worked with Lee or been inspired by his work took to Twitter to honor someone who for decades has been either one of Marvel's driving creative forces, or a public figurehead across films and conventions.
Within the world of comics, Marvel's longtime rival DC Comics led the series of eulogies for Lee.
Others took a moment to recognize Lee for his ability to focus on the heroes within us all, regardless of who we are or where we came from.