'Captain America: The First Avenger' trailer: Chris Evans grows on us

The first trailer for "Captain America: The First Avenger" has been released by Entertainment Tonight and it shows how a young man who isn't suited for battle becomes America's best hope.

The film goes back to the early years of the superhero, played by Chris Evans

Here's the official synopsis:

After being deemed unfit for military service, Steve Rogers volunteers for a top secret research project that turns him into Captain America, a superhero dedicated to defending America's ideals.

It boasts a pretty tight list of actors including stars Samuel L. Jackson, Tommy Lee Jones, Stanley Tucci, and Neal McDonough.

Watch the trailer below:

The film opens in theaters on July 22.
Photo/Video credit: Paramount Pictures