Chris Evans, who played Captain America in the Marvel Cinematic Universe, took to Twitter on Saturday to condole the demise of co-star Chadwick Boseman. "I'm absolutely devastated. This is beyond heartbreaking," he wrote. "Chadwick was special. I'm endlessly grateful for our friendship," said Chris, who worked with Chadwick in films like 'Captain America: Civil War' and 'Avengers: Infinity War'.