At the select slot hold down L to enter the cheats.

Invincibility-down,up,down,down,up,down,select

100 lives-right,right,right,rightright,right,right

Unlock all power ups-right,left,right,left,right,left,right

Health recovers when claws are extended-right,up,down,right,left,select,selct

Alright, go to the menu where you choose from either slot 1,2,3,or 4.

Then, hold down L and enter down, up, down, down, up, down, select to become invincible.

To earn all powerups, hold L and press right, left, right, left, right, left, right.

To give Wolverine 100 lives, hold L and press "right" 7 times.

And last, but not least, in order to make your health go up with your claws extended, press: right, up, down, right, left, select, select.

(you may have to enter these every time you play.)

Well thats all that I have for now, later!!