The name makes sense because the kid obviously has some major mutant powers involving fire. Now, just so you know, there is no "Hot Stuff" character in the X-Men comics, so this may just be a character that was created for this movie. Unless there is going to be a surprise reveal at some point in the movie. There are rumors that character could be connected to Apocalypse somehow.

In the movie, we learn that Cable is coming after Russell to kill him, and Deadpool has made it his own personal mission to protect him. We'll just have to wait and see how that goes for all the characters involved.

Also, a few new photos have been shared on Peter's Twitter account showing off him hanging out with his X-Force teammates. One of those photos confirms that Bill Skarsgard is playing Zeitgeist. Here are the photos that were shared, each one of which comes with a fun caption: