Since the update, Teebo has a bug. Even though he is invisible, his ability with his primary attack doesnt work in most cases. Also, since the update, my Ewok-Team that should be attacking often, ...
I'm on android so didn't get the Ewok event but have been steadily farming them for months. Spent 500k credits levelling up Teebo yesterday - thought it was a good investment given his potential use in the level 8 LS missions and new tank challenge!
Oh well, they are still the most fun (and furry) team there is....