In this month’s episode of “find all the space aliens living on Earth” Quasar meets up with an Eternal, the West Coast Avengers, and, mainly, Excalibur.
Modred the Mystic reaches into the current timeline and takes possession of Rachel Summers’ access to the Phoenix Force, which enables him to jump back into reality.
Quasar and Excalibur free her and banish Modred once more.