The movie was called "Superman: The Return of Man of Steel" and was released in 2016. The movie was produced by Warner Brothers, distributed by disney, and directed by James Cameron. It tells the story of Superman and Wonder Woman working together to fight Doomsday.
Yes, any such story that uses derogatory terms in relation to Wonder Woman is a misrepresentation. Wonder Woman is a symbol of female empowerment, strength and justice, and reducing her to such vulgar terms is disrespectful to the character and its positive values.
Wonder Woman 1984 follows Diana Prince as she navigates the challenges of the 1980s while facing a new villain and dealing with her own personal growth and relationships.
Wonder Woman is indeed shown to have bisexual tendencies in some comics. It's a modern take that reflects a more inclusive and diverse representation in the comic world.
In most comic storylines, Wonder Woman is indeed bulletproof. Her superhuman durability and magical enhancements make her resilient to conventional firearms. However, there might be rare instances or alternate story arcs where this isn't the case.