Ant Man 3: Michelle Pfeiffer shows how Janet Van Dyne is getting READY to enter the quantum realm; WATCH Michelle Pfeiffer took to Instagram to share a workout video as she gave a sneak peek of how she is preparing for Ant-Man 3. Written By Michelle Pfeiffer gives a sneak peek for her Ant-Man 3 prep Michelle Pfeiffer is prepping to return as Jane Van Dyne for Ant-Man 3 and the actress decided to give fans a sneak peek of the same. The actress hit the gym recently and shared a post on Instagram, telling fans that she's preparing for her journey to enter the quantum realm. The third installment in the franchise has been titled Ant-Man and the Wasp: Quantumania and fans are more than excited to catch it soon.