Avengers: Infinity War left audiences with a surplus of questions after the film ended, but that’s exactly how it was designed.Infinity War ended with most heroes — and humans, in general — fading into the abyss. The original Avengers are still alive (minus Hawkeye, who didn’t appear in the movie), and a few other straggling characters but 50 percent of the fighting team is gone. It’s up to the Avengers and their friends to figure out what happened, stop Thanos and hopefully find a way to…