Batman Returns is an action game based on the Tim Burton movie of the same name. This NES version likely featured side-scrolling action, combat with enemies from the film, and puzzle solving. The European release might have some slight differences from other regional releases.  The game would follow a story influenced by the movie. More information about specific levels or the exact storyline would require investigation of the game's content.

Batman Returns (Europe)

Batman - The Video Game (USA) [Hack by Deespence2929 v1.0] (~Batman - Easy)