Welcome to Earth: penal colony for the universe's deadliest villains! When the civilized alien races-influenced by the Supreme Intelligence and his newly evolved Kree-tire of Earth's involvement in their affairs, they decide to make it their new prison planet! Featuring all the world's greatest heroes-including the Avengers, the X-Men and the Fantastic Four-against the most bizarre and deadly threats they can conceive of! And on the forefront of the villainous attack? Ronan the Accuser and Ego the Living Planet! Collecting MAXIMUM SECURITY: DANGEROUS PLANET, MAXIMUM SECURITY #1-3, CAPTAIN AMERICA (1998) #36, THOR (1998) #30, UNCANNY X-MEN #387, BISHOP: THE LAST X-MAN #15, IRON MAN (1998) #35, AVENGERS (1998) #35, GAMBIT (1999) #23, X-MEN (1991) #107 and X-MEN UNLIMITED (1993) #29.