Sources for TMZ say the 92-year-old was "taken from his Hollywood Hills home to Cedars-Sinai Medical Center" yesterday. As of now, the reason for the emergency call to 911 isn't clear.
Lee was feeling well enough to be interviewed at the premiere, showing no signs of being under the weather. Actually, he was very upbeat and talkative like he normally is. He even quipped, "The only reason I came was to see my cameo."
See for yourself in the clip below.
Armed with the astonishing ability to shrink in scale but increase in strength, con-man Scott Lang must embrace his inner-hero and help his mentor, Dr. Hank Pym, protect the secret behind his spectacular Ant-Man suit from a new generation of towering threats. Against seemingly insurmountable obstacles, Pym and Lang must plan and pull off a heist that will save the world.
Marvel's Ant-Man hits theaters July 17, 2015.