(That’s a vast understatement, considering all the fantastical details involved.)
The younger iteration would absolutely be a fantastic way to explore the character in a serialized TV show, too, even without the rebirth element.
Note that the introduction of the younger Asgard god would not be an unprecedented move in the Marvel universe, and not just because a younger actor played him in Thor.
After all, Kid Loki is a legitimate entity in the comics, and is basically a self-preserving reboot of the character’s older self after he’d martyred himself to save his planet.