The combined power that is the "Avengers" has kept the world safe from threats too big for any single hero to handle alone, but they are about to face the ultimate test. "Thanos" arrives on Earth looking for six "infinity stones", which, when all combined together, wield unimaginable power, a power that he intents to harness and use rule the universe as he sees fit. The "Avengers" are the Earth's only hope.. Already the most watched trailer ever in 24 hours, with a whopping 230 million views, "The Avengers: Infinity War" looks likely to be one of 2018's biggest box office hits and will be released in May.