Wolverine's claws have sliced the Hulk could they puncture the Man of Steel too.

Jim Lee who used to work on the X-men book is now drawing Superman.

Batman
Blade
Captain America 
Catwoman
Daredevil
Elektra
Fantastic Four
Green Hornet
Green Lantern
Incredible Hulk
Incredibles
Punisher
Robocop
Shazam
Spiderman
Steel
Supergirl
Swamp Thing
Teen Titans
Teenage Mutant Ninja Turtles
Wolverine
Wonder Woman 
X-men