The Shadow did not wait to learn, moving off behind the building he kept listening for other sounds in the dark.
The Shadow, playing his strategic game, was waiting for any answer that might come.
The Shadow had waited for an opportunity like this one.
The Shadow could only wait for a break in the fray.
The Shadow waited a moment or two, then went back into the administration building at the airport.
The Shadow waited to see no more of the death struggle.
The Shadow - like others - was waiting for developments.
The Shadow waited; it was several minutes before the judge returned.
The Shadow did not wait for the other to arrive.
The Shadow wasn't waiting for one man to answer the other.