The Empire Strikes Back Weekly 121 is the one hundred twenty-first issue of the Marvel Star Wars UK series of comic books.
This issue reprints the first of three parts of the story printed in the US as Star Wars 40: The Empire Strikes Back: Battleground: Hoth.
- Heroes of the Galaxy: Man-Wolf!
- Monsters of the Cosmos: A Martian Odyssey
- Tales of the Watcher: The Things from Dimension X!