This issue is a variant of Action Comics (DC, 2011 series) #1 [Standard Cover Edition]. There exist further variants.
"Rated T Teen."
"Printed by Transcontinental Interglobe, Beauceville, QC, Canada. 3/16/12. Fifth Printing."
The non-editorial content of this printing differs greatly from the first printing, with house ads, advertisements, and the DC Comics All Access column all different (based on the May 2012 titles, not the November 2011 ones).
in Liga de la Justicia (ECC Ediciones, 2012 series) #1 (Mayo 2012) [Detalle de la página 16, viñeta 4 y página 22, viñeta 3]
in Superman (ECC Ediciones, 2012 series) #1 (Mayo 2012) [Detalle de la página 7, viñeta 2 y página 9, viñetas 2 y 3], #1 (Mayo 2012), #1 (Mayo 2012) [Detalle de la página 7, viñeta 4 y detalle de la página 19, viñeta 3], #2 (Junio 2012) [Detalle de la pág. 9, viñeta 4 y pág. 18, viñeta 2]
in Superman (Urban Comics, 2012 series) #1 (septembre 2012)Clark calls in his Glenmorgan story to a "Mr. Taylor," presumably George Taylor. Clark's landlady tells him a trio of friends came by, possibly the Legion of Super-Heroes founders.
The mystery woman from Flashpoint #5 appears on page 26.