Alright, it's time to take out your pens: Class is back in session for the second installment of our quick-reference guide to the mutants of X-Men: Days of Future Past. (The first is here.) We'll be combining both parts—and throwing in some baseline humans—as the movie approaches, but for now, here are nine more to brush up on, from Quicksilver through that dude with the claws.
X-Men: Days of Future Past opens May 23.
