The New 52 #3s are being previewed with little more than a blurb for each issue to minimize spoilers, but Superman is the big thing everyone wants to investigate, and Sinestro's still kicking it on the Green Lantern Corps post-reboot. Check out these cover images.
ACTION COMICS #3
GREEN LANTERN #3
GREEN LANTERN: NEW GUARDIANS #3
RED LANTERNS #3 – or maybe this is accidentally I, Vampire