One of James Gunn's veteran actors expresses interest in joining the new DC Universe as the Batman foe, Poison Ivy. As the DCEU comes to an end, the DC brand is going in a new direction for live-action. With Gunn wrapping up his time with Marvel Studios, the filmmaker is going full-time with Warner Bros. as part of DC Studios. Under Gunn and Peter Safran's DC Studios leadership, the studio is currently building the new DC Universe, another attempt at an interconnected franchise for Warner Bros.
https://screenrant.com/james-gunn-actor-dc-universe-poison-ivy/