Especially considering he WALKS OVER TO THE DUCK.
He gets up, walks all the way over to a duck on a table for no reason, sees a bomb sticking out its neck even though it could have been stuck inside and there is no way Wolverine wouldn't have seen the bomb from his table five minutes before, and then says "DUCK!?!?!?!" when he sees the bomb.
I mean, saying "A BOMB!?" would make sense, even if it would sound stupid for Wolverine. But who the hell says "DUCK!?!?" It's like opening a mail bomb and saying "PACKAGE?!?!?"
And the reason for this all was so that they could make a reference to a preschool game which bears no absolutely no relevance to the story at hand.