'M3GAN' star and executive producer Allison Williams admits that she was immediately creeped out by her robot doll counterpart in the horror-comedy from Blumhouse. Then, co-writer James Wan and producer Jason Blum ponder the possibilities of an evil doll Justice League with Chucky, Annabelle, and Billy from the 'Saw' franchise. Plus, Williams visualizes a meeting between Margot Robbie's 'Barbie' and M3GAN.