Elizabeth Olsen didn't realize the Easter egg snuck into the first WandaVision poster. 1 / 8
The actress is re-teaming with Paul Bettany for the upcoming Disney+ show. 2 / 8
It won't be releasing until 2021, but it's set after the events of Avengers: Endgame. 3 / 8
Plot specifics are still tightly under wraps, but Marvel Studios released its first one-sheet. 4 / 8
The poster has a subtle fun detail teasing the debut of Scarlet Witch's comic-accurate costume 5 / 8
This is something that Olsen didn't know until it was pointed to her. 6 / 8
Whether or not Olsen will finally sport the costume remains to be seen... 7 / 8
but it's possible that she'll at least wear the Witch's iconic head piece. 8 / 8