Great cover concept Total Film.
As a tribute of the 1960's set movie "X-Men" they feature Erik Lehnsherr and design the upcoming cover like it's out of 1962.
Their front cover is an 'usual' looking cover design, this one is hidden underneath.

Thanks Andrew Losowsky from Magtastic for more info.
And thanks Andrew Lowe for the tip, see his site: ARTORICAL.COM