(W) Rick Remender (A) Patrick Zircher, Gabriel Hardman (CA) Arthur Adams. The new era of Secret Avengers begins here! Enter Captain Britain and Giant-Man* as Hawkeye becomes the new leader! First* Hawkeye and Captain America undertake a mission to the Red Light Nation* a country run by criminals for criminals! Then* the Adaptoids strike but who are the Descendants? An Avenger will die to find out* as the team literally journeys to the center of the Earth and discovers a city of evolving automatons! Hawkeye's leadership is put to the ultimate test as the beleaguered team tries to stop the final ascension of the Adaptoids* Deathlok Legion* Sentinaughts* Ultravisions* Machine People and more! Plus: A new member joins! A spy in their midst! The lighthouse compromised! And a race is born! Collecting SECRET AVENGERS #21.1 and #22-25.