1. The costume: they should give it some red and blue colors on the suit.
2. Chloe starts to hate Clark and physically becomes Brainiac
3. Clark should at least attempt to fly.
4. If Zod is in Smallville, it won’t hurt if Darksied appeared.
5. There should be a guest star like Bruce Wayne (Christian Bale for example)
6. I think he should become Superman at the end of this season, or a least name himself Superman.
Well that is all I got, and I know you readers have more ideas.