Near the beginning, daylight is visible outside the window the Hydra Agent escapes out of, but when Jennifer Walters climbs onto the fire escape after him, it is dark outside.
After the Hulk gains Banners intellect and throws a piece of machinery to one side, the scene changes to a closer shot, but the background plate remains the same.
When Rick Jones is captured by the Hydra mist, he is supposed to be dragged out the window, but the animation shows him going underneath the wall instead.
In a medium close-up shot of Hulk and She-Hulk fighting, Hulk's eyes are white instead of yellow, and She-Hulks pupils are black instead of blue.