It's difficult to put out a $1.5 billion movie and not expect a few major product tie-ins. Marvel, today, "released" (we'll get to that in a bit) a new game for Android called "Avengers Initiative." This $7 app stars the Hulk, as the green loose cannon battles some of his most notorious villains, including Wendigo, the Abomination, and even the infamous Skrulls. The game will only be available for select Android devices to start with.
Curiously, though, despite the game being available on the Play Store, it doesn't seem to be active. There is a list of devices that will be supported (including the HTC One X, Galaxy S III, Nexus 7, and many other flagship phones and tablets), however it can't actually be installed just yet.