Who plays MJ in Spider-Man?

The role of MJ in the "Spider-Man" films has been played by different actresses depending on which series you're referring to:

* Tobey Maguire's Spider-Man trilogy (2002-2007): Kirsten Dunst played Mary Jane Watson.

* Andrew Garfield's The Amazing Spider-Man films (2012-2014): Emma Stone played Gwen Stacy, not MJ.

* Tom Holland's Spider-Man trilogy (2017-present): Zendaya plays Michelle "MJ" Jones.

So, to answer your question, it depends on which Spider-Man series you're asking about!