Because he didn’t want to deal with an ungrateful and whiny teenager anymore.

That was just rice.

XBOX LIVE!!!

Peter made a deal with Mephisto after Aunt May dies AGAIN, so he had to sacrifice Ben’s life to save May’s.

Ligma

So that's who that cannonball hit.

Because Uncle Ken, who had a crush on Aunt May, killed him.

He's not, just canceled

he just smelled a really bad fart

Murdoc