being raised in the Morlock tunnels, the first beautiful person she sees is Callisto's hostage, Angel
Uncanny X-Men (1st series) #350
led into the tunnels by Gambit, the Marauders start killing the Morlocks one by one, Gambit manages to save one little girl who has bones sticking out her head
Cable (1st series) #15
is summoned back to the Morlock tunnels several weeks after Mikhail Rasputin flooded the them when Cable, Domino and Thornn perform the Ceremony of Light, reveals that the Morlocks are now living elsewhere
Uncanny X-Men (1st series) #374
grows up on the Hill, an already harsh realm, with Mikhail ordering the Morlocks to fight each other
X-Men Prime
returns to Earth as a young adult, meets the Dark Beast, the Morlocks' secret creator
Uncanny X-Men (1st series) #322, Generation X (1st series) #5-6
she and Gene Nation start their terrorist activities, including the kidnapping of Emma Frost
Uncanny X-Men (1st series) #325
threatens to kill numerous hostages with a detonator device attached to her heartbeat, forcing Storm to rip out her heart
Storm (1st series) #4
revealed to have survived because of a second heart, teams up with Callisto
Uncanny X-Men (1st series) #346
attacked by Prime Sentinels, Callisto takes a blast meant for Marrow, teams up with Spider-Man, eventually saved by Henry Peter Gyrich
Uncanny X-Men (1st series) #347
promises to Callisto to help the X-Men against Operation: Zero Tolerance
X-Men (2nd series) #67-69
tracks down Iceman and Cecilia Reyes, helps them to stay alive while being hunted by Bastion's troops
X-Men (2nd series) #70-71
comes to live at Xavier's mansion, but has a hard time trying to fit in
X-Men (2nd series) #72
seriously injures Wolverine in a Danger Room duel, runs away from Xavier's
X-Men (2nd series) #74
aids Archangel against the Abomination, happy when Archangel calls her beautiful
X-Men (2nd series) #75
returns to Xavier's, refers to herself as an X-Man for the first time
X-Men (2nd series) #77-78
refuses the Shadow King's tempting offers, has developed a crush on Cannonball
X-Men (2nd series) #79
shaken when Cannonball leaves the team and the recovered Callisto does not come to pick her up
Uncanny X-Men (1st series) #361, 365
admires beauty, starts a friendship with Colossus
X-Men (2nd series) #88
accidentally injured by Gambit
X-Men (2nd series) #90
emerges from a Skrull healing device with good looks and improved control over her bone growth
manages to retract her bone horns for the first time, accompanies Colossus when the X-Men temporarily disband
Uncanny X-Men (1st series) #374
is drawn into a battle between Colossus and Mikhail Rasputin, sides with her teammate against her former leader
X-Men (2nd series) #99
temporarily powerless due to the High Evolutionary's tampering with the mutant genome, she accompanies Storm to Camp America and becomes a mentor to underpriviliged children, starts dating
Six Month Gap
loses control over her bone growth, becomes ugly again, runs away from the X-Men
Spider-Man/Marrow #1
found by SHIELD and brainwashed by them, develops dual personality - student Sarah Rushman and assassin Marrow, eventually breaks free and jumps of the Brooklyn Bridge, letting everyone think her dead
Weapon X: The Draft - Marrow
has her good looks restored by the new Weapon X Program in return for her becoming one of their agents, emotionally destroyed after Mesmero manipulated her into having sex with him
Weapon X (2nd series) #9
aware of Brent Jackson's scheming behind the back of Weapon X Director Malcolm Colcord
Weapon X (2nd series) #12
hunts down defected agent Sabretooth and faces him in a duel
Weapon X (2nd series) #13
takes advantage of Jackson's troops fighting Colcord's, defects herself after freeing Cable from Weapon X, gaining a disk containing data on his Underground movement in the process
Weapon X (2nd series) #19
has turned Cable's Underground into a revamped Gene Nation, bone growth slowly spins out of control again
Weapon X (2nd series) #21
hunted down by Agent Zero who kills every single follower of her to humiliate her
Generation M #4
depowered by M-Day, stays with remaining Morlocks
X-Factor (3rd series) #18-20
part of X-Cell, tries to force Quicksilver to restore their powers
X-Force (4th series) #5
Becomes pregnant but loses the baby when she undergoes a procedure to gain her powers back; left for dead by Volga but found by Cable
X-Force (4th series) #1
Joins X-Force and begins the hunt to find out who bombed Alexandria
X-Force (4th series) #2
Realizes Volga is tied in to the Alexandria incident
X-Force (4th series) #5
Confronts Volga and regains her memories
X-Force (4th series) #6
Kills Volga's body but his consciousness escapes
X-Force (4th series) #7
Discovers that she has about a year left to live thanks to Volga's experiments
X-Force (4th series) #12
Attacked by teammate Fantomex
X-Force (4th series) #13
tortures and kills Volga, discovers she hadn't willingly sacrificed her babies life