I wrote this in another thread while trying to defend my belief that BooBoo Stewart is playing Forge. One main point I made was about the Mutant Inhibitor Collar, which made me realize how important this one thing might be to the storyline. For that reason I felt this deserved it's own thread... So, what do we know about the Mutant Inhibitor Collar? It is a metallic device that fits around the neck of the wearer. Through electronic means, the item prevents a particular being from consciously using their super-powers, successfully neutralizing them. The desired effect does not harm the wearer, but renders them powerless and susceptible to manipulation. We also know that it was Forge who invented the mutant inhibitor collar and that it was highly sought after by the humans to use against mutants. In the Days of Future Past storyline those incarcerated at internment camps are forced to wear them. So why might this play into the movie? Well, we all know that both Iceman and Rogue are going to be in the movie. We all know that one of the major conflicts that this "couple" has been dealing with is their inability to touch each other, meaning they can't be intimate. Now we have BooBoo. Yes, there are many options for him that would fit his look. He could be Thunderbird or Warpath, Sunspot, Avalanche (more like the cartoon version), Rictor (no one thought of that yet), or, of course, Forge. I have been arguing that Forge will be featured in the 70's since that is where he loses his arm and leg, and since the story is in the 70's it just makes sense. But BooBoo can't play an old Forge (at least not without make-up). If he is young in the 70's then we would need an older Forge in the future, who would invent the inhibitor collar, which could be used to help Rogue and Bobby. Another interesting way they could go is the Wolverine and the X-men concept where again it is Forge who invents the collar, but Gambit is hired to steal it from the X-mansion. I know Gambit was done in the Wolverine Origins movie, but that was done very poorly... Anyway, going with this concept of the Inhibitor Collar it seems like it might be a very featured component of the storyline. Without the collar the government would not have been likely to beat the mutants. Without the collar we might not have a future where the sentinals/Mastmold/Trask/government rule. So what if the cause of the change to the future timeline is not the killing of a prominent person (Senator Kelly, President Nixon, Xavier, etc.) but the introduction of the Mutant Inhibitor Collar to the past, meaning someone (Fitzroy, Nimrod, etc.) brings it back in time (to the 70's). Bishop (Omar Sy?) would need to go back to set things straight. It just makes so much sense to have the collar introduced to help Rogue, which leads to it either going back to the past or someone going back to the past to change something (kill Forge maybe - so he never invents it?), which changes the future to create the Days of Future Past.