It might be too much layering of similar instruments and giving everything the same balance? Maybe it’s sometuing u already doing but think of it like mixing a pop track. There is low middle and highs. Having one type of drum for each freq could help. Also, for trailer music it’s also about those impacts. Short impacts doubling the drums. And the drums can be just to give it a tad if organic element. So more like impacts and a touch of drums.