Stan Lee Dead at 95: Ryan Reynolds, Robert Downey, Jr., William Shatner Among Celebrities Reacting

Tributes and reactions were rampant from celebrities and fans alike on social media Monday morning after it was reported that comic book legend Stan Lee had died at 95. Lee was editor and publisher of Marvel Comics and credited with creating or co-creating Black Panther, Spider-Man, the X-Men, Thor, Iron Man, the Fantastic Four, the Incredible Hulk, among others.

Among the celebrities offering tributes to Lee was "Deadpool" star Ryan Reynolds, who said "Damn....RIP Stan. Thanks for everything."

Robert Downey, Jr., who stars as Tony Stark/Iron Man in the Marvel Cinematic Universe posted on Instagram:

Chris Evans, who stars as Captain America, the "original Avenger," in the MCU, said:

Sebastian Stan, who plays Bucky Barnes/Winter Soldier, in the MCU said on Instagram:

Hugh Jackman, known for playing Wolverine in eight movies in the "X-Men" franchise, said:

On Instagram, "Spiderman: Homecoming" star Tom Holland said he was "indebted" to Lee:

Evangeline Lily, who stars as Hope Van Dyne/Wasp in "Ant-Man" and "Ant-Man and the Wasp," and will appear in the upcoming Avengers 4 movie in 2019 said:

Letitia Wright, Shuri in "Black Panther:"

Winston Duke, who joined the MCU franchise in 2018 with the role of M'Baku in "Black Panther," said:

Tom Hardy, who plays the role of Eddie Brock/Venom in the recently released "Venom:"

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With the greatest of respect ❤️

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Rosario Dawson, who plays Claire Temple in several Marvel tv series' including "Luke Cage" and "Daredevil" said:

Mike Colter, who played Luke Cage for Netflix's "Luke Cage" tv series:

Mark Hamill, best known as Luke Skywalker in the "Stars Wars" franchise, as well as the voice for The Joker in many animated DC Comics productions, said:

KISS lead singer Gene Simmons, also joined in with a tribute, saying on Twitter, "To Stan Lee: Thank you for making my childhood so much more exciting with your astonishing superhero characters. Thank you for inspiring me to think and dream big. Thank you for the Hulk, Thor, Fantastic Four and many others. You will be sadly missed. RIP."

DC Comics also tweeted a tribute to Lee.

"Frozen" star Josh Gad also tweeted, in part, "Thank you for such an incredible legacy and for giving us so many icons that will continue to live on long after you are gone."

"Goosebumps" author R.L. Stine added his own tribute.

Joss Whedon, who wrote the first Avengers movie, tweeted:

The original Captain Kirk, William Shatner, also shared his thoughts on Twitter: