First this particular achievement there are a few requirements to complete these are as follows:
Collect all
5 Minikits from all of the
20 levelsFast Travel to the
Daily Planet to the Minikit viewer, enter the console to view each of the 20 images from the machine which looks like:
View each of the Newspapers individually by pressing
Level Newspaper Cover The levels and image you are to look at and select

are as follows:
Level 1 -NEW KID ON THE BLOCK
Level 2 - IT’S GOOD TO BE BAD
Level 3 - S.T.A.R.S IN YOUR EYES
Level 4 - THE HARLEY AND THE IVY
Level 5 - ARKHAM BARELY BELIEVE IT
Level 6 - CON-GRODD-ULATIONS
Level 7 - OA NO!
Level 8 - FIGHT AT THE MUSEUM
Level 9 - SEA-KING TROUBLE
Level 10 - GRIDLOCKED
Level 11 - APOKOLIPS, WOW!
Level 12 - THE ONE WITH THE T.REX MECH
Level 13 - THEY THINK IT’S OWL OVER
Level 14 - STEPPONWOLF SURPRISE
Level 15 - DARKSEID OF THE MOON
Level 16 - GRANNY KNOWS BEST
Level 17 - MAN TO MANTIS
Level 18 - THESE BOOTS ARE MADE FOR STOMPA
Level 19 - ARMA-GHETTO SUPERSTAR
Level 20 - YOU KANTO-UCH THIS
As soon as you press

on your final Newspaper, pop achievement unlocked.
Congratulations!
Happy Hunting