Just finished watching Batman v Superman . Must be one of the slowest movies I have ever seen, definitely will NOT be having a second viewing.
Just for the record I do not think that Superman is gone permanently, the last second of the picture before the credits gives a hint. Did you catch it? None of my friends noticed until I pointed it out.
P.S. And the fact that Superman will appear in the sequel gives an even bigger hint. BTW I did not know there was a sequel until after writing this.