The — Guardians Of The Galaxy Holiday Special Leg...

: It is revealed that Mantis is Peter Quill’s half-sister, both being children of Ego. This revelation reframes the events of Vol. 2 , showing that Ego was ultimately defeated by two of his children rather than one.

: A flashback reveals that Peter’s iconic twin blasters were actually a Christmas gift from Yondu , who originally hated the holiday but was moved by a gift from young Peter. The Guardians of the Galaxy Holiday Special Leg...

The special moved beyond simple parody to establish permanent changes in MCU lore: : It is revealed that Mantis is Peter