I'd have the power to have all powers obviously .. or the power of Plot Induced stupidity
No,Really ...Fire,then I could spam hadouken. and fire is awesome. Then I could use it unnecessarily for trivial task.
I couldn't be a super hero because I'm lactose intolerant and my nemesis would just end up being the Milkman or an Evil cow...named Micheal... or a gaggle of trolls with super soakers loaded with Malk, or Mulk..or Milk.