Until I wrote this article, over 1,2 million views on youtube for this trailer.

20th Century Fox released this first trailer in Feb 11th, 2011. As you can see from the trailer, costumes used by Professor X / Charles Xavier and Magneto / Erik Lensherr during the flight scene using the same yellow blue costume with the X-Men comic version.

X-Men: First Class tells about the beginning of the X-Men, when Charles Xavier and Erik Lensherr met at the University of Oxford in the 1960s. They realize the advantages and strengths for the first time, long before they changed the name to Professor X and Magneto. X-Men: First Class will focus more on the character of Charles Xavier and Erik Lensherr while still friendly and cooperate with other mutant criminals to stop Armageddon. However, the situation eventually turned up on both internal conflict and form their own alliances.

X-Men: First Class starring James McAvoy (Charles Xavier / Professor X), Michael Fasbender (Erik Lehnsherr / Magneto), Kevin Bacon (Sebastian Shaw), January Jones (Emma Frost / White Queen), Caleb Landry Jones (Banshee) Rose Byrne (Dr. Moira MacTaggert), Nicholas Hoult (Beast), Jennifer Lawrence (Mystique), Zoe Kravitz (Angel Salvadore) and Lucas Till (Havoc).

X-men: First Class, directed by Matthew Vaughn and will be released June 3rd, 2011.

WATCH X-MEN: FIRST CLASS TRAILER