The only two things I'm worried about are the villain (Zemo) and the score. I'm getting tired of the Zimmer clones.
Henry Jackman was all over the place with Winter Soldier. These are really the only two good songs he did that are anywhere near Silvestri's work for the original. I really like the horns and strings build up on Taking A Stand after the first minute.
https://www.youtube.com/watch?v=4TF5_d4R3pIhttps://www.youtube.com/watch?v=BHyO8ztfE8kMCU's track record with villains is also underwhelming. Phase 2 had a habit of killing them off after limited characterization, which was the absolute worst. Feige and friends aren't even giving any of the villains a chance like they did for Loki. Loki has had more screen time and fleshing out than any other "villain" character.
With the limited screen time Zemo has, I hope it gets the general beats on his character. Villains are like a stand-up routine and need to get their audience hooked and interested in the short time they have unlike the main heroes who have an entire show stage performance.
Apart from those things, it'll probably be a solid entertaining movie.