Katie Banner is the daughter of Bruce Banner and Betty Ross in "Past Perfect" - an illusionary world created by the Devil Hulk, where Bruce sees himself living an idyllic life with his family. (Incredible Hulk Vol 2 #27-28). Her twin sister is Kathy. Like her father, Katie wears glasses. She wears her hair parted in the middle.
When Bruce began to remember the truth, Katie told him she was scared.