While Kevin Feige and company sit on a big pile of money laughing hysterically at the success they've found since being ridiculed for releasing a film about a C-List superhero like Iron Man way back in 2008, the rest of us are wondering what's next for the Marvel Cinematic Universe. With Ant-Man, Phase 2 has officially come to an end, with Phase 3 kicking off next year with Captain America: Civil War. If it's anything like the comic books it's based on, that movie is going to dramatically alter the foundations of this world, setting the stage for everything which follows between next May and the release of the two-part Avengers: Infinity War. With sequels, the introduction of several new heroes, and the historic deal which is going to see Spider-Man arrive in the MCU, Phase 3 is looking pretty hectic. It's also looking pretty damn exciting for us fans, and there's an awful lot of information out there pertaining to what's on the way from Marvel over the next few years. Here, you'll find the ten biggest things you need to know about Phase 3 and explore why they're so important to this Cinematic Universe as it builds towards Phase 4 (because, let's face it, that pile of money is just gonna keep on growing based on Marvel's track record...).