Due to a series of tragedies, the original Morlocks no longer reside in subterranean New York City (except Marrow, who was one of the original Morlocks as a child), although a violent splinter cell Gene Nation and a comparable group called Those Who Live in Darkness have emerged.
[5] The X-Men were alerted to the existence of the Morlocks when their leader Callisto kidnapped Angel and intended to make him her mate.
Victorious, Storm orders an end to their attacks on normal humans,[5][7] but she does not assume leadership of the Morlocks full-time.
Other survivors include Erg and Beautiful Dreamer (whose whereabouts were unknown until "Decimation"), Thornn, (who would join X-Corporation), and Caliban.
It is later revealed that some of the Morlocks were failed experiments of the Dark Beast, although he made certain that they did not remember being tampered with; however, Mister Sinister recognized that some of the Morlocks were based on his own genetic studies (which the Dark Beast learned from the Sinister of his reality) and subsequently ordered the Marauders to kill the entire underground society.
In addition to these mutants, Callisto showed sympathy towards the humans who sought out refuge from the global landscape.
[50] With Masque presumed killed, an insane Mikhail Rasputin takes over as leader of the Morlocks in The Uncanny X-Men #293.
It is revealed later that he actually transported the Morlocks to another dimension dubbed the Hill, whose timeline moved faster than the main Marvel Universe.
When attacked by Humanity's Last Stand, an emotional backlash caused D'Gard to assume control over Storm, who relinquished her leadership role.
After M-Day, some former Morlocks who lost their powers were Angel Dust, Boost, Callisto, Delphi, Irving, Marrow, Postman, Qwerty, Shatter, Tether and the probability of Feral and Thornn.
During Ed Brubaker's "The Extremists" arc, the Morlocks reappear under the leadership of Masque and now consisting of Bliss, Erg, Litterbug, Skids and a recently captured Leech.
In it, a small group of mutants living in the sewers of Chicago help each other to fulfill their one last wish on the surface while trying to escape the mutant-hunting Sentinels.
In The Uncanny X-Men #397–398, parts 3 and 4 of the Poptopia story, a group of Morlocks living in the tunnels of London are introduced.
In the 10th anniversary of the Age of Apocalypse event, which takes place after the nuclear attack in X-Men: Omega, several characters who were not in the original storyline are introduced, among them are the Morlocks which includes Feral, Leech, Marrow, Skids and Thornn among many other unnamed mutants.
The Morlocks were largely a peaceful group who refused to follow Apocalypse's regime and for that decision they were all captured and imprisoned in the Breeding Pens for gruesome experiments by Sinister and the Beast.
[92] After the fall of Apocalypse, a trail of escaped mutants from the Breeding Pens lead the X-Men underground, they encountered a group of scared, orphaned children called the Morlocks.
[93] The Morlocks in the Ultimate Marvel universe have a more sophisticated underground living situation than the mainstream Morlocks, including at least one mutant with energy-generating powers to provide electricity, hydroponic gardens to provide or supplement their food supply, and external air-exchange vents.
In Ultimate X-Men #80 Nightcrawler saves the Morlock named Pyro, who was outnumbered while fighting the Friends of Humanity and the police.
The Morlocks serve as loose inspiration for a group called the Omegas, who appear in X-Men: The Last Stand.