In "Earth 2", Lois Lane is married to Superman. When Clark's cousin, Kara arrived on earth, she stayed with Clark's parents, before moving in and living with Clark and Lois. Lois considers Kara as her daughter and Kara calls Lois mom. Five years prior to the start of the story, during the first Apokoliptian invasion of Earth 2, Lois was killed by one of Darkseid's assassins at the Daily Planet, she died in her husband's arms. Superman and many other heroes of Earth 2 perished in the war.