Marvel actors, writers, and fans flooded social media with well wishes and fond remembrances shortly after the news of his death broke. While she did not mention Lee's cause of demise, celebrity news website TMZ reported that an ambulance was called to Lee's Hollywood Hills home early on Monday and that he died at Cedars-Sinai Medical Center.
Lee had suffered several illnesses over the a year ago or so - he had a bout of pneumonia and vision issues.
Stan Lee who can be spotted in nearly every Marvel movie was the co-creator of iconic comic characters like Iron Man, the Fantastic Four, Spider-Man, Daredevil and many others. In addition to being the former editor-in-chief of Marvel Comics, he went on to become the imprint's publisher and chairmen.
As the Marvel Universe expanded, so too did Lee's role in its creative and business operations.
Mr Lee founded Marvel Comics with Jack Kirby in 1961. It was his first public appearance following the death of his wife, Joan, who had died a week prior.More news: Trump tweets in Whitaker's defense in turnabout
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"For decades he provided both young and old with adventure, escape, comfort, confidence, inspiration, strength, friendship and joy. Stan leaves an extraordinary legacy that will outlive us all", he said.
"Sure they have super powers, but they were more relatable to the everyday person", The Comicshop owner Keith Bickford said. "Every time you open a Marvel comic, Stan will be there".
"Without Stan Lee's fertile and creative mind, endless energy and work ethic, comic books would have been completely different from what we know and enjoy today", said DC Publisher Dan DiDio. The beloved "God of the Marvel Universe" who was behind superheroes like Spider-Man, Iron Man, Hulk, Thor, the X-Men, the Avengers and the Fantastic Four.
"Rest in peace, Soldier", the US Army tweeted with a pair of then-and-now photos showing the man born Stanley Martin Lieber during his stint with the branch's Signal Corps during World War II.