What if Homelander 's mom another old supe like Stormfront and Soldier Boy, but somehow as non-evil one. His mama would fighting with the boys to give her "son" the spanking he needs. She would thermalkinetic vision and unaided, so that's where those powers come from.

I don’t believe in this theory they revealed that homelanders mom or at least the woman that carried her was a normal human being