Hela- She gets casted away from Asgard and she comes across Tony Stark the two hit it off and head back to his place where they have sex and 9 months later your born.
Female Thor- At first the two couldn't stand each other and as the years went on the two ended up getting closer to each other and Thor realized her feelings for Tony when he went through the portal to send the nuke into the space or plain whatever it was then fell and she thought he was dead until he came back to life and after a party Thor stayed after and she had sex with him and you pop out 9 months later.
Female Loki- When she tried taking over Earth and was facing the avenger. She went into tony's building where he was at and spotted him relaxing and after it was all over and Loki was captured. She spoke to Thor and told him about how she's fallen for Stark and Thor being the asgardian he is he cut her loose and allowed her to enter Starks building where the two started drinking and by drinking I mean a lot of it. She wasn't drunk but he was hammered and the two went into his room and made love. 9 months later out came you.
Also what abilities do you want since you are part god and they can be different from others.
