From the press release:

Marvel is pleased to present your first look at X-Men #12, chapter two in the First To Last X-epic from the superstar creative team of, Chris Yost, Paco Medina and Dalibor Talijic. The mysterious Evolutionaries have arrived on the shores of Utopia and only Cyclops and the X-Men can put an end to their plans of relentless destruction. Two generations of X-Men in two different times give it their all, but will it be enough? This May, only the X-Men stand in-between the all-powerful Evolutionaries and the survival of humankind in X-Men #12!

Preview Pages:

 

First To Last: Chapter One
X-MEN GIANT-SIZE #1 (MAR110718)
X-MEN GIANT-SIZE #1 MEDINA VARIANT (MAR110719)
X-MEN GIANT-SIZE #1 FF ANNIVERSARY VARIANT (MAR110720)
X-MEN GIANT-SIZE #1 BLANK COVER VARIANT (FEB118169)
Written by CHRISTOPHER YOST
Penciled by PACO MEDINA & DALIBOR TALAJIC
Cover by ED McGUINESS
Variant Cover by PACO MEDINA
Fantastic Four Anniversary Variant by SIMONE BIANCHI
Blank Cover Also Available
Rated T+ …$4.99
FOC – 4/25/11, ON SALE – 5/18/11

First To Last: Chapter Two
X-MEN #12 (APR110642)
X-MEN #12 MEDINA VARIANT (APR110643)
Written by CHRISTOPHER YOST
Penciled by PACO MEDINA & DALIBOR TALAJIC
Cover by ED McGUINESS
Variant Cover by PACO MEDINA
Rated T+ …$3.99
FOC – 5/9/11, ON SALE 6/1/11

Related posts:

1. Preview: X-Men Giant-Size #1 - ‘First to Last’ Chapter 1
2. Preview: X-Men Giant-Size #1
3. An X-Men #1 Teaser: Evil Seduces
4. A Second X-Men #1 Teaser: Evil Seduces
5. Preview: Your First Look at X-Men #4