You can download Marvel Origins: Assemble freely, easy to download and install it to your iOS devices (ipad or iphone). NO jalbreak needed. The way to install it you can see here.
When one especially dangerous mission went wrong for war-hero Captain America, he became trapped in the frozen North. Now, seven decades later, Iron Man, Hulk, Thor, Ant-Man and the Wasp need his help to fight for the future of Earth! Will he join them in time to defend the planet from evil?
Marvel Origins: Assemble Download