Batman and Superman have kicked ass in their own rights. But put them on the same playing field, and it could be the most epic alliance—or the worst idea ever. In a new teaser clip for Batman v Superman: Dawn of Justice, we're not too sure if these two superheroes are really on the same side.

In the video, Batman, played by Ben Affleck, is captured. And when we think Superman, portrayed by Henry Cavill, will arrive to aid Batffleck, he unmasked the caped crusader instead. And it doesn't take too long to realize that Ben is not too pleased with that. 

The full trailer will be premiering worldwide on Jimmy Kimmel Live tomorrow (December 2) at 11:35PM EST.