Logan is a 2017 American superhero movie, produced by Marvel Entertainment, TSG Entertainment and The Donners’ Company, and distributed by 20th Century Fox. It’s the tenth installment in the X-Men movie series, as well as the third and final Wolverine solo movie following X-Men Origins: Wolverine and The Wolverine. Take a look below for 30 more interesting and fascinating facts about Logan.

1. The movie, which takes inspiration from “Old Man Logan” by Mark Millar and Steve McNiven, follows an aged Wolverine and an extremely sick Professor X as they defend a young mutant named Laura from the villainous Reavers and Alkali-Transigen, bed by Donald Pierce and Zander Rice, respectively.

2. The movie is directed by James Mangold, who co-wrote the screenplay with Michael Green and Scott Frank, from a story by James Mangold.

3. The movie stars Hugh Jackman, Patrick Stewart, Boyd Holbrook, Stephen Merchant, Richard E. Grant, and Dafne Keen.

4. The locations used for Logan were mainly in Louisiana, New Mexico and Mississippi.

5. Logan became one of the best reviewed movies in the X-Men series, with some critics calling it one of the greatest superhero movies of all time.

6. It was chosen by the National Board of Review as one of the top ten movies of 2017.

7. The movie was nominated for Best Adapted Screenplay at the 90th Academy Awards, becoming the first live action superhero movie to earn an Academy Award nomination in a screenplay category.

8. Logan grossed over $619 million worldwide, making it the fourth highest grossing R rated move ever, behind Deadpool, The Matrix Reloaded and It.

9. Patrick Stewart lost 21 pounds to play Charles Xavier as elderly and sick. Stewart claimed that he had a steady weight since he was a teenager and had never deliberately lost weight before. Hugh Jackman genuinely held Stewart in all the scenes of Wolverine carrying Professor X.

10. James Mangold stated that the movie is set in 2029 to avoid any conflict with the time line established in X-Men: Days of Future Past, but that his goal was to make a stand alone movie, that was not bound to continuing previous storylines, or setting up sequels.

11. When Laura and Charles are watching Shane, Charles mentions remembering seeing the movie as a child in his hometown. This was entirely improvised by Sir Patrick Stewart, because Shane was one of the first memories he had at the theater as a child.

12. Director James Mangold was so impressed by the commitments of Laura’s stunt double Rissa Kilar, that he decided to get her a role in the movie. She was later cast in the role of mutant “Pine Cone Girl.”

13. When Charles Xavier suffers from his seizures, Hugh Jackman didn’t act as if he was being pushed away. Instead, he was held back by a ripe pulled by two men in order to give a more realistic portrayal of being restrained.

14. Hugh Jackman stated in an interview that the only way he would reprise his role is if a crossover between Deadpool and Wolverine would happen.

15. Dafne Keen was 11 years old at the time of filming, and so was not allowed inside the casino, even with all the correct shooting permits. Therefore, some shots were done with Keen on a green screen, and some scenes were shot in the actual casino with Keen’s body double Cheramie Martin, who’s over 18, but of a similar build to Keen.

16. The Samurai sword presented to Logan in The Wolverine can be seen in the smelting mill where Logan and Charles are hiding.

17. Hugh Jackman said that Logan was the hardest Wolverine movie for which he had ever trained.

18. According to one of the files attained from the lab, one of the children was the specimen derived from Christopher Bradley, a former cohort of Logan’s from X-Men Origins: Wolverine under the alias “Bolt,” which explains the child’s ability to summon and manipulate electricity.

19. Throughout all his portrayals of Logan, Hugh Jackman stated that he learned his American accent from copying Johnny Depp.

20. Professor Xavier’s psionic blast was done by shooting shaky footage and then re-stabilizing the frame in post production. The resulting footage contained strange motion blurs with smearing effects, which is both organic and unusual. The team shot the sequences slightly wider than was needed so that the shots could be blown up to hide the edges of the stabilizing effect.

21. James Mangold said that the movie has a more “human” feel, relying very little on CGI and green screens.

22. Patrick Stewart claimed that a lot of the dialogue at the dinner table scene, in which Logan and Charles Xavier tell the family about the school of mutant, was improvised by the actors at the request of director James Mangold, after having filmed takes of scripted dialogue.

23. One of the children in Eden is Rictor from the comics, who had the ability to release seismic energy through his fingertips. In this iteration, Rictor was created using the DNA of Dominik Petrakis, known as Avalanche in the comics.

24. Logan is the first Wolverine movie where Patrick Stewart plays a major credited role. His appearances in the previous Wolverine movies were brief, uncredited cameos.

25. The boots that Logan puts on in the hotel room as “Wolverine 1,000 mile” boots.

26. Cliff Martinez was originally the composer, but withdrew after six months of work at the end of 2016. His replacement, Marco Beltrami had only about six weeks to produce his replacement score.

27. Logan smiles only three times in the entire movie.

28. The red band trailer was actually an unofficially released trailer, with the added bonus of a grainy clip of Wolverine stabbing a man in the head. The grainy clip was a small clip that was still being rendered, with no polished and fully rendered CGI.

29. Though Laura maintains a stern demeanor throughout the movie, actress Dafne Keen had to shoot her fight scenes across several takes because she was having a bit too much fun.

30. Laura has claws. If her body is infused with the same metal, adamantium, as Logan, she would never get any bigger as the metal wouldn’t allow her bones to grow and develop.