Well MOS has already beaten Captain America, Thor, Hulk, and Incredible Hulk. It's on it's way to beating Iron Man, it is 60 MIL away.
Has it been successful? Yes, and as many people who predict the box office called 550-600. I honestly was expecting 650, but it has been hit by strong competition. Pacific Rim, Monster University, and World War Z all chipped away at its profits.
Though, I'd say that whether it made a profit or not, another reboot would be a kick in the $#@ that is not required. They have to go on and make a sequel despite the set backs from critics. Superman returns did not leave any room for a potential shared universe or a future.