In last night's Arrow, Dr. Ivo was nowhere to be found, but don't worry he will be back. I spoke with Dylan Neal about Dr. Ivo's return to the island.
Dr. Ivo was last seen being rejected by Sarah in "Blind Spot." She may be done with him, but he's most definitely not finished with her. Neal teased, "Now it's all gloves off and he's going to go out to get her. He feels like he's been betrayed and the dark side of Ivo will come to the fore now."