https://www.cnet.com/news/solo-droid-l3-37-and-her-big-star-wars-movie-surprise/

We knew Solo: A Star Wars Story was going to feature legacy Star Wars characters Han Solo (Alden Ehrenreich), Lando Calrissian (Donald Glover) and Chewbacca (Joonas Suotamo), but there's technically another legacy character who's been hiding in plain sight in the new movie.

Consider this your warning that we're going to spoil a plot point of Solo: A Star Wars Story, and then go into how it connects to Star Wars movies as recent as The Last Jedi. Go check out some of our spoiler-free Solo stories and our spoiler-free review if you haven't seen the film yet.