Didn't Lex and Tess have a thing when Tess first showed up? Wasn't it hinted at?
Also I never really cared that much about Darkseid. I just cared more about Clark becomming Superman. So the battle doesn't really bother me. I thought having Darkseid possess Lionel was good, but doing that whole voice thing was pretty weak. I would have liked typical Lionel acting and dialogue.
Also the whole comic book thing was weird to me.