Benedict Cumberbatch chats with ET's Matt Cohen about 'Doctor Strange in the Multiverse of Madness.' The actor praises co-star Elizabeth Olsen and the evolution of her performance as Wanda, aka 'The Scarlet Witch.' Cumberbatch explains why the 'Sorcerer Supreme' continues to be a fulfilling role to play in the MCU. Plus, he teases his upcoming hosting duties on 'Saturday Night Live.' 'Doctor Strange in the Multiverse of Madness' hits theaters on May 6. Source