"Are you all right, Master?" Seeing Batman fall into a long silence after opening the box, frozen in place as if lost in thought, the butler Finn asked with a hint of concern in his voice.
Although Finn could see some of what was happening on Batman's end, he could not see the face beneath Batman's cowl. Because of that, he had no idea that beneath the bat mask, the "master" he spoke of had already turned into the green face of a Skrull.
That was because the Skrull's mind was in such turmoil that he was having some difficulty maintaining his transformation. Fortunately, the suit he wore had not been transformed from his own body, but was customized equipment belonging to Batman himself. Otherwise, the Skrull would already have exposed his identity.
"Whew! I'm fine!" When the Skrull exhaled, he still looked as he had before, but by the time he began speaking, he had already turned back into Batman. His whole person had calmed down as well. "I just saw a little hope. Hope that could drag Superman down from his pedestal completely..."
To be honest, if it had not been for continuing to play the role of Batman, he really would not have wanted to get involved in what came next. But there was nothing he could do. His performance had already begun, and if he gave up halfway, the entire affair would inevitably be exposed.
It could be said that Bruce Wayne was the most important person in all of Gotham by day, while Batman was an indispensable presence in Gotham's night. No matter which one of them disappeared, it would draw close attention from Gotham, and even from America.
If any clues were discovered then, exposing even more about the Skrull, he would become a