Ruby Summers is the daughter of Scott Summers and Emma Frost in the alternate Marvel future/universe known as Earth-1191. As a newly introduced character, not much is known about Ruby's origins or past. she has managed to survive outside of the mutant internment camps, living freely in Atlantic City. After Meeting Layla Miller, she is convinced to fight for the freedom of mutant-kind. Ruby journeys to New York and along with her two friends, and begins the tide-turning "Summers Rebellion." Ruby joins with pro-mutant humans and fights the oppression of mutants by humans.

Ruby has optic force blasts like her father, though hers are black in color. She has an invulnerable gemstone form: red ruby with blond hair. This form can be maintained for decades, and prevents aging and the need for food, water, and oxygen. However, she doesn't know what will happen if she were to return to her normal state.