Thanos, the Mad Titan, has cut a swath of terror across the Marvel universe – from comic pages to the big screen.

The 2015 movie Everest had several big-name actors added to its ensemble cast, all of them based on the real-life climbers of the 1996 Everest group.

"Do you know what we’re talking about?" Rudd then asked his Death of a Unicorn co-star Jenna Ortega. "There was a theory – ...