Fyraltari watches The Clone Wars (2008) for the first time

[Aeson]

(why were they dead junkers above the tunnel to Maul? Who killed them?)

Spoiler

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1. Snake-man implies that he brought Savage Oppress here to become food for him and his master.
2. The junkers are hung from the ceiling like things caught and tied up by fantasy spiders.
3. Maul's legs have been replaced by robotic prosthetics with a decidedly arachnid aesthetic.
4. Spider-Maul attacks Oppress when the latter falls through the floor.

Care to make any guesses as to who killed the junkers and why they're strung up like dead meat in a (fantasy) spider's larder?

How did Maul end up in a junkyard, of all places?

Clearly, it's a metaphor for where they found the script and for the quality of the episode as a whole.