Iris West and her twin brother, Jai, were born to the third Flash, Wally West, and his wife Linda Park. Although the twins were initially miscarried as the result of an attack by Zoom, Linda's pregnancy was miraculously restored during a later battle. When Wally went into the Speed Force during a battle with Superboy-Prime, he brought Linda and the infant twins with them. After spending some time on an Earth-like world inhabited by an alternate version of Jay Garrick, they traveled to another planet occupied by technologically advanced aliens who had had dealings with a Flash in the past.