A tale of a lost prince and his knight in a hot rod red armor (or how did mommy meet daddy) (слэш)

“Daddy? How did you and mommy meet?”
“How did I meet mommy?” he repeated. “Oh, it’s a long story, sweetie.”
“Tell me. Tell me. Tell me.”
“Well…” he cleared his throat and pulled Freya onto his lap. The little girl pressed her head above his newest arc reactor and looked up at him. God, she looked just as beautiful as her mother. Tony kissed the top of her head and began his tale.
“Once upon a time, there were two princes of a golden realm. (...)