After his release from jail, he was hired by Stark International to resume his work in electronics. Although Scott’s life seemed to be improving, he was devastated to learn that his daughter Cassie had been diagnosed with a serious heart condition. Scott desperately wanted to save Cassie’s life, and sought the aid of the brilliant micro surgeon Dr. Erica Sondheim.
Unfortunately, Dr. Sondheim was being held prisoner by the mutated villain Darren Cross. To rescue Sondheim, Scott stole Hank Pym’s old Ant-Man equipment. Taking the Ant-Man mantle, Scott used his new found power to defeat Cross and rescue the doctor.