In the 1988 crossover "The Evolutionary War", the High Evolutionary, who had once been Miles Warren's teacher, captures Gwen's clone. He determines that Warren had actually not perfected the process, and instead injected a young woman with a genetic virus carrying Gwen's DNA, turning her into a copy of Gwen. After a subsequent altercation of Spider-Man and the Young Gods against the High Evolutionary's Purifiers, this woman is purged of the virus by the Young Goddess Daydreamer. This is later retconned, with the High Evolutionary stating that Warren had in fact succeeded in perfecting his own cloning technique, and Daydreamer had accidentally given the Gwen clone a false new life under the name of Joyce Delaney.