It may be late in the day, but that didn’t stop Fox from releasing the long-promised first trailer for X-Men First Class. Check out the 1:51 teaser below to see a X-Men movie set in the 60s, which itself is hard to believe. Even more unbelievable? The yellow costumes! No more black leather suits. With Kick-Ass’s Matthew Vaughn directing, this is going to be one seriously awesome comic book movie this summer.