The immensely weird and curiously crazy sequel, Avengers: Age of Ultron, has only just made its way into theatres - and yet fans are already gearing up and preparing for the arrival of Avengers: Infinity War, a two-part epic that will mark the ultimate culmination of everything that the Marvel Cinematic Universe has been striving towards since 2008. That's to say, the Infinity Stones have been teased across the span of every other MCU instalment, most prominently in the cosmically-set Thor movies and in Guardians of the Galaxy, where they were revealed to be great and powerful artefacts capable of immense destruction. In the wrong hands... well, they could potentially bring an end to everything. Indeed, it has been the goal of "Big Bad" Thanos - who fans have yet to encounter in a major way despite multiple cameo appearances - to bring the Infinity Stones together in order to take over the universe. In 2018, Avengers: Infinity War - Part 1 will see a number of famous superheroes coming together to stop him, before Part 2 arrives a year later to tie up the loose ends of the story - a guaranteed blockbuster epic if ever there was one. Here, then, using what information and foreshadowing the MCU has given up thus far, are 10 things that have to happen in Infinity War - Part 1...