Chris Hemsworth had quite the adventure during a vacation in the Himalayas with his wife, Elsa Pataky.
During an appearance on Jimmy Kimmel Live the Australia native shared how he almost died from altitude sickness as the pair made their way up the mountain.
"She was doing a travel show and I was her plus one. We got higher and higher and we ended up at about 4,000 meters (13,123 feet) above sea level," Hemsworth, 32, told the talk show host. "You acclimate every couple of days. You plant yourself in one place and your body adjusts to that lack of oxygen and so on, and you go higher and higher."
The actor continued, explaining to Kimmel that he "slowly started to lose [his] mind," becoming irrational and overly sensitive to "the most trivial, silly things," as their group traveled up the mountain as a result of altitude sickness.
Finally, at over 13,000 feet and temperatures at negative 30, and labored breathing, which he describes, as "Darth Vader meets Daffy Duck," Hemsworth was taken from the mountain after his wife alerted guards.
"They come back and take one look at me and they're like, 'Get him off the mountain,'" he added. "And they start injecting me with all sort of whatever's going to adjust my oxygen intake. Apparently, the oxygen in my lungs, the next stage was oxygen in my brain and then – goodnight. We wouldn't be sitting here. Who was monitoring that?! Everyone else adjusted, acclimated, but for some reason I couldn't handle it."
Looks like even Thor is no match for Mother Nature.