If you watched the movie and stayed for a while until the you finished it until the credits, you will see that there are some additional scene on it. There will be a clip where Magento's children Quicksilver and Scarlet Witch are in a isolation room, it is very apparent because you will notice that Quicksilver somehow looks like teleporting but if you are following the comics, he is actually running while his sister Scarlet Witch is doing some mind-power — lifting things using her mind. They were captured by Thunderbolt an arm of the HYDRA umbrella.
Also, after you've watched that clip, do not leave yet on your seats because there will be an additional clip where Bucky — The Winter soldier — went to museum and stare to his memorabilia; that indicates that he will be the next Captain America in the next movie Avengers: Age of Ultron.
If you haven't watch the latest franchise of Captain America, better watch it especially for those who are Marvel lovers.
