Originally posted by StiltmanFTW
The entire run was comedic, but again: penetrating Hulk's skull like that is not even among Logan's highest feats.
It's an outlier in regards to his fights with Hulk, Logan had previously never been able to pierce green Hulks hide to that extent and it didn't even seem to take great effort. SW #5 was pretty much one big pisstake at Hulks expense, although it was a good healing feat in the end.