Secret Avengers: Mission to Mars: 1

Who are the Secret Avengers? Are they a covert team of heroes working the darkest corners of the globe to stop disaster? Are they part-spy, part-superhero? Are they Steve Rogers' newest idea to save the world...or all they all of the above? A new era begins as Marvel's hottest team takes a 21st century twist! COLLECTING:Secret Avengers #1-5