'I owe it all to you': Robert Downey Jr., Chris Evans and more react to news of Stan Lee's death

Celebrity tributes are pouring in for comic book legend Stan Lee. The godfather of Marvel Comics died Monday at age 95.

Lee, who created or co-created countless beloved characters like Black Panther, Iron Man, Spider-Man and the X-Men, is being remembered by many actors and actresses whose iconic roles on screen he made possible. Robert Downey Jr. shared a photo with Lee writing, “I owe it all to you.”

Chris Pratt, who stars in the big-screen version of Lee’s Guardians of the Galaxy comic, was grateful to have, as he put it, “played in the world” Lee created.

Actor Mark Ruffalo, who plays the Hulk in the Avengers movies, said his “Uncle Stan” had made the world a better place.

Chris Evans, whose foray into superhero films began by playing the Human Torch in Fantastic Four — a character written by Lee exclaimed, “There will never be another Stan Lee.” The pair also collaborated on The Avengers franchise.

Wolverine himself, Hugh Jackman, exclaimed, “I’m proud to have been a small part of his legacy.”

Marvel stars Tom Holland, Josh Brolin and Sebastian Stan shared tributes on Instagram.

Ryan Reynolds, who worked with Lee on his hit Deadpool movies, tweeted, “Thanks for everything.”

Black Panther stars Letitia Wright and Winston Duke reacted as well.

Daredevil’s Deborah Ann Woll, Luke Cage’s Theo Rossi and Rosario Dawson all expressed gratitude for Lee, who also a producer on Netflix’s Marvel shows.

Marvel’s Agents of S.H.I.E.L.D. star J. August Richards noted that Lee “was incredibly gracious in person.”

DC Comics, Marvel’s rival, offered sincere condolences on Twitter.

Bob Iger, chairman and CEO of the Walt Disney Company, said “Stan Lee was as extraordinary as the characters he created.”

The loss of Lee is already felt across the entertainment industry.

Lee’s cause of death has not been reported at this time; however, he battled health issues later in his life. Earlier this year, he was hospitalized for shortness of breath and an irregular heartbeat. He also suffered pneumonia.

Read more from Yahoo Entertainment: