Billy Batson could open up a pathway to mythological storytelling.

He-Man has had a publishing run with both Marvel (Masters of the Universe) and DC (He-Man and the Masters of the Universe), so if you treated Eternia like MCU Asgard, you could probably swap the hammer for a sword if you wanted to. After all, Castle Greyskull had doorways to many worlds, with She-Ra's world merely being one of them. No reason Earth couldn't be another.

[s]Or maybe I just want to see Wraith rock a loincloth, but w/e[/s].