Originally Posted by mwmillett
Every version of Thor has been Odin as father and the embodiment of the earth as his mother. That is why he is midgards protector. Jord in norse mythology, actual not comic, is Thor's biological mother, Jord is the embodiment of the earth, the norse Gaea. You have no reason to believe that this is not the case as it always has been through every incarnation of THor ever made.
Every version of Thor has been a god, until now. He is more of an alien in the MCU as far as we can see, so I'm not sure there's a place in this 'verse for an embodiment of the earth.