Issue: #2 D
On a mission no one can know about and already betrayed by one of their own! Our Secret Avengers strike force finds a link between Roxxon's digs on Mars and a mysterious shadow group on Earth. But what evil will they face on the Red Planet itself, and will a hero fall? It's the Avengers as you've never seen them before, by Ed Brubaker and Mike Deodato!
First appearances: Archon
Creators: Alan Fine, Dan Buckley, Joe Quesada, Mike Deodato, Jr., Rain Beredo, Tom Brevoort, Irene Y. Lee, Marko Djurdjevic, Lauren Sankovitch, Will Conrad, Ed Brubaker, Dave Lanphear
Characters: Captain America, Beast, Moon Knight, War Machine, Black Widow, Sharon Carter, Valkyrie, Max Fury, Archon, Abyss, Nova, Eric O'Grady
Story arcs: The Heroic Age, Secret Histories