The first Marvel Crossover of the new millennium, as well as the first one since "Heroes Return".
The Earth is invaded by intergalactic thugs when the Galactic Counsel deems Earth unworthy and to become a prison planet.
It has a starring role for John Walker, the U.S.Agent, whose story continues after this mini-series in U.S.Agent.
Collected in Avengers By Kurt Busiek & George Perez Omnibus Volume 2.
Translated into Spanish.