Liz Allan was the most popular girl of Midtown High School. That was why she was friend with the football player Flash Thompson. She considered Peter Parker as a looser until he was sting by a radioactive spider. Indeed with a more assured Peter, Liz was attracted by him. The day when Peter asked her to go out, Liz accepted. But Peter stood Liz up in order to fight Sandman.

By a feeling of humiliation from Liz and constant aggressive manners from a jealous Flash Thompson, Peter didn’t try to conclude with Liz.

After the high school, Liz decided to stop her studies. She became a nurse in order to take care of his step brother Mark Raxton (Molten Man). She came back in Peter’s life when Molten Man decided to fight Spider-Man.

She met Peter’s new relations and more precisely Harry Osborn. She fell in love, became his girlfriend and married with him. Quickly she gave him an heir: Norman Osborn Jr.

When Harry died, Liz decided to control Osborn industries. But the arrival of Green Goblin interrupted her control of Osborn industries. She tried to forget Harry Osborn in the arm of Foggy Nelson; but Mysterio destroyed their relationship.

Nowadays, Liz spends her time to take care of her son Norman Osborn Jr.

When Spider-Man man unmasked himself in Civil War story line , she appeared really angry because she accused him of bringing death to all of his friends, but like everyone else she seems to forgotten his identity as a result of One More Day.

Earth 1610:

Liz and Mary Jane Watson were friends in Midtown along with another group of people.

She recently discovered she was a mutant even though she was mutant phobic. Because his uncle was a mutant. She started generating flames on a date with Johnny Storm at the beach with her friends. The X-Men and Magneto knew this and tried to get to her. Magneto told her along with her mother that liz's father was a mutant or who she thought to be her uncle. She agreed to be an X-Man now known as Firestar.

As firestar along with the X-Men fought Alpha Flight.