We could watch one, if not a few, jobs the character takes on that give us a better understanding of why he’s so feared throughout the galaxy far, far away.
Now of you might be saying that’s exactly why the Boba Fett movie needs to be set before Return of the Jedi.
But he never actually takes any particular action in the Original Trilogy that proves why he’s the baddest of bad-asses.
And normally, I would agree with you, but now that James Mangold is involved, that provides a better opportunity: following an older Boba who’s walked away from bounty hunting.