WandaVision star Elizabeth Olsen has teased a cameo crossover from the Marvel Cinematic Universe.Olsen, who plays Wanda Maximoff, the former Avenger Scarlet Witch, alongside her husband Vision (Paul Bettany) in the new Disney+ miniseries, said in an interview that she’s “really excited” for what is to be revealed in the remaining episodes.TV Line asked the actress this week whether WandaVision might have as big a shock reveal as Mark Hamill’s Luke Skywalker cameo in season two of The