WandaVision Finale - 8 MASSIVE Easter Eggs, References And Secrets, Explained
6. White Vision's Fate
White Vision's appearance at the end of WandaVision's eighth episode was a bit of a shock (especially for me, because I missed it like a great big dummy), and the character ends up being a highlight of the finale.
Apart from that terrifying introduction where he nearly cracks Wanda's skull like an eighties-era Michael Myers, White Vision also engages in combat with Wanda's own Vision, until the latter realises his only chance to beat him is with words and not violence.
Red and green Vision is able to break through to his corrupted counterpart by questioning the logic of the android's programming, which leads White Vision to exit Poochie-style rather than to continue fighting.
It's unclear, currently, whether or not White Vision decided to terminate himself after realising that he himself was partially the original Vision, or if he just decided things had gotten too heavy and that he had to work things out. If it's the latter, then there may actually be a chance that the Avengers could get the original Vision back, as the Vision we all know and love was able to unlock the android's memories.
This is actually what happened in the comics too, during the Vision Quest storyline from John Byrne. That arc also featured an ice-white and emotionless Vision returning, only for his memories and emotions to later be restored and for him to get his old paint job back, leaving the door open for Paul Bettany's android to make an actual return in the future..