2. Ant-Man Goes Giant
Hank Pym's one warning to Scott Lang in Ant-Man was not to mess with the regulator on his suit, and when he did, he shrunk so much that he ended up in the Quantum Realm. Of course, if turning the dial that way made him that small, you can't help but wonder what will happen when it goes on the opposite direction! Well, if one rumour is to be believed, Scott will put that theory to the test in Captain America: Civil War next year when he becomes Giant-Man. Leaked concept art has already shown that he's getting a new costume, and as that's able to shrink, it's likely able to grow as well. However, don't go expecting to see an Ant-Man as big as a skyscraper in the Marvel Cinematic Universe just yet;
according to JoBlo (who have been very accurate with their Marvel rumours lately, including the recently confirmed news that The Hulk will appear in Thor: Ragnarok), he'll only grow to around 15 - 20ft to battle Iron Man and his pro-registration team of Avengers. We clearly shouldn't expect Giant-Man to become Ant-Man new moniker moving forward considering the fact that his sequel has been titled Ant-Man and The Wasp, but the simple fact that this transformation is actually going to be seen in a movie is very cool and obviously bodes well for it possibly happening again in future. Another interesting Ant-Man related rumour is that he'll be taking a ride on one of Hawkeye's arrows at some point, a scenes you just know will live on forever in gif form.