Idea on the jumping "mutant"...

On other boards there has been a lot of talk about the guy without a helmet jumping off of a vehicle onto a helmeted crew member, and how he has a "mutated" face. I've been thinking: it may be possible that he is the crew member we see inside the suit whose face seems to be splashed with "acid"... from inside the suit somehow. That could account for his face being messed up. He may not be a mutant at all, as the other person in the suit could be wearing it to protect themselves from facehuggers or a virus or whatever. I'd hate to go back to it, but that "leaked" plot that's been discredited spoke a great deal about mutations of the crew, and Noomi Rapace herself even states that Shaw "In the middle of the movie is a lot of things and she transformed into a warrior - another aspect of her springing to life.". This could be taken in a multitude of ways, and maybe I'm planting trees to say I've seen a forest, but genetics plays a great deal in the Alien universe. I've long thought that the alien gets it's final form from the DNA of the host it inhabits, but also believed that if the host could survive, it too would share the alien DNA (this is finally proven in Alien Resurrection where Ripley is cloned with the queen embrio from her own blood samples, meaning the alien does in fact change the DNA of the host). Having said that, it's possible that the "acid" in the trailer is genetic material and it affects this crew member as such. I take that plot synopsis with a grain of salt, so much of it is hardly Ridley Scott, but this wouldn't be the first time that information was leaked (even by the producers themselves) that include the plot elements, but enough bs to cloud and discredit it in whole. And let's not forget that Damon Lindelof did the script revisions, and he is a freakin mad man when it comes to bringing crazy ideas to life in a way which is almost poetic...