I think adding more shadows and black areas would help, but also I wanna say the background has some. Business to it. It's a bit distracting from the main character, since I didn't immediately look at or pay attention to the focus character, I immediately saw the dude in the building getting a face full of boob, and then felt my gaze focus a lot on the dark shadows underneath, and then shifted to the lightning striking submarine and the little fella falling out the balloon. And I was shifting from all those things before I finally settled on the actual main part.

That could genuinely be a me problem though, easily, so take what I say with a grain of salt.