From the press release:

Marvel is proud to unveil superstar artist Olivier Coipel’s variant cover to X-Men #1. The X-Men enter the Heroic Age in their first X-Men #1 in twenty years—but just what is “The Curse Of The Mutants”? The answer will rock the Marvel Universe to its core!

X-MEN #1 (MAY100628)
X-MEN #1 ROMITA JR VARIANT (MAY100630)
X-MEN #1 MEDINA VARIANT (MAY100632)
X-MEN #1 DJURDJEVIC VARIANT (MAY100633)
X-MEN #1 BLANK VARIANT (MAY100629)
Written by VICTOR GISCHLER
Penciled by PACO MEDINA
Cover by ADI GRANOV
Variant Cover by JOHN ROMITA JR.
Variant Cover by PACO MEDINA
Variant Cover by MARKO DJURDJEVIC
Rated T+ …$3.99
FOC—6/17/10, On-Sale—7/8/10

X-MEN #1 COIPEL VARIANT (MAY100631)
Written by VICTOR GISCHLER
Penciled by PACO MEDINA
Variant Cover by OLIVIER COIPEL
FOC—6/17/10, On-Sale—7/21/10

Related posts:

1. An X-Men #1 Teaser: Evil Seduces
2. A Second X-Men #1 Teaser: Evil Seduces
3. Your First Look At Marvel’s X-Men #1!
4. Marvel Unveils Olivier Coipel’s Amazing Spider-Man Cover
5. Marvel Announces X-MEN DAY!