There was an idea to bring together a group of remarkable people. To see if we could become something more. So when they needed us, we could fight the battles that they never could.
Loki’s emoji is smiling because he’s not going to die in Infinity War, he’s going to live out the rest of his long natural life writing plays and occasionally causing trouble for Thor but mostly making art and drinking fine wine and probably arranging top notch cheese plates and luxuriating in baths and making amends when he feels like it and wearing comfortable textiles and working on being his best self.
Loki is the Philosopher King 