I was pondering the use of Evacuate (Hera's Command Card) and thought about how it worked with the Skirmish Upgrades for Han and Chewie. I imagine it would work like this:
Hera spends an action to Evac Chewie from the game.
My opponent scores half of Chewie's points (Rounded Down): 7.
Then scores Wookie Avenger: -4.
So my opponent gets a total of 3 points for Chewie. Essentially cutting 8 point off a "11" point figure. That might actually be worth it.