In the comics, Thor's daughter is Thrud. She inherits some of Thor's strength and heroic qualities. Thrud has made appearances in various comic storylines and has her own adventures.
It's hard to say for sure. Maybe he's living a quiet life out of the spotlight or pursuing a different career. You could try searching on social media or specialized entertainment websites for more info.
It could be Tony Stark. Their personalities are quite different. Thor is more of a traditional hero with a noble background, while Tony is a genius billionaire playboy. But their differences could attract them to each other. They could bond over their shared love of protecting the Earth, just in different ways.