Cameron's Spider-man was wild. He merged Electro and Kingpin into "Carlton Strand" - a parody of corrupt capitalists. Sandman was in it, called Boyd, who got his powers from Philadelphia Experiment type thing which mixed his atoms. He would revel his identity to MJ, and they'd have sex on the Brooklyn Bride. It also had lots of swearing in it.
Joss Whedon wrote a draft of X-men, the Brotherhood captured Wolverine for their machine in the Statue of Liberty - this went to Rogue when they filmed it.
The original Wolverine they hired for X-men was Dougray Scott. He got injured filming a stunt on Mission: Impossible 2 so they hired Hugh Jackman and the rest is history.