No problems with the fact we're a prisoner again but the emperor dead too? That just shouts recycled idea.
Yes, those are recycled ideas. And no, it's not a problem.
Come on. Dragons, heroes and suchlike... None of that is original. But that's the thing : very few examples in art or entertainment do use original ideas. The difference is made by *how* those ideas are dealt with.
Lemme give you an example : when I watched the movie
O Brother, I believed till the last second Ulysses aim was that treasure. I mean come on ! I knew the inspiration was
The Odyssey, there were permanent clues to remind me, and I'm a bloody latin & greek teacher to top it off. But because of the talent with which the movie was made, it completely suspended disbelief for me, and turned the oldest story in the world into something new.
Just saying, what matter is how they'll handle the ideas, and we can't know how they will 'till we see the game. I'm fairly confident, as for myself. Bethesda has shown me they could too suspend disbelief.