The "last comic piece" would be the one you haven't found yet, which is obviously different for every player.
You will find a frame and 8 pieces for the comic strip on Big Nate island. The frame is from the guy at Klassic Komix. It is the top part of the comic, into which you will assemble the other 8 pieces. Their locations :
in Big Nate island everywhere
no there isn't
All around big nate island. You have to find it.
All that you have to do is jump.
They are all over the island!
Big Nate Island
you find them all over the island and in the buildings and in the air
all you have to do to get a pack of gum is: on Big Nate Island you have to collect all of the big nate comic book pieces.
you have to find all the pieces of the comic he wanted to see when you got the whole comic give it to him and he will give the gum and let you keep the comic also the comic has nate's locker combination
You need all the pieces.
Go all around Big Nate's Island for slips of paper and talk to the guy in the comic store for the headline then go to items and select comic and assemble the comic and it will reveal the code for the locker.
you need to find all of the comic strip pieces and you will then have the locker number on the paper in the middle