Vader is gathering vast amounts of power to overthrow Palpatine and may try to turn Luke to the dark side before RoTJ. Star Wars hints at the moment in which Darth Vader's dark hope for his son ...

The game Hamill was playing (at cardgames.io) appeared to have randomly matched the Luke Skywalker actor with someone using the Vader icon as their avatar, with the username reading simply as "Dad." ...