Your hyperdrive engaged and some freak accident caused your ship to plunge outside the galactic barrier and accelerate to incredible speeds. Unable to disengaged it in fear of some catastrophic failure that would kill you, you sat back waiting for the journey to end. And it did. In an unfamiliar galaxy you are forced to find spare parts, food and water, and of course survive.

Star Wars - Marvel Cinematic Universe crossover.

You can choose either: Jedi, Sith, Mandalorian, or something else . Original characters only.
Now it may be possible to squeeze a few other franchises.....maybe. But ask first.