Marvel Girl III (Dream Summers-Richards)
In and alternate future, Dream was born to Franklin Richards and Rachel Summers. By the age of thirteen, she started to manafest her mutant powers and learned that she had the same powers as her parents.
When Dream realized that her brother Jonathan (Hyperstorm) was using his powers for evil, Dream was very scared. Her parents came to calm her down and Rachel told her the story of how her grandmother Jean Grey and how she became the Phoenix. Dream understood and realized she must carry on that legacy.
Dream then joined the X-Men and now goes by the name Marvel Girl III