We'll start the day off by a poster from Brutus Rex

Many many ways...but 99.9% of them involve explosions.
Next ones are by ProphetOfNerd

They should've seen it coming in retrospect. (<- Don't know if that makes any sense, it's just fun to say)

They have a natural advantage with 8 legs

Not when you have to kill your best friend you were talking to just 5 minutes ago

Hell yeah!