Mel B -- Superhero Wannabe?

9/4/2009 1:30 AM PDT BY TMZ STAFF
Here's former Spice Girl Mel B at an event in London Wednesday (left) -- and Princess Diana of Themyscira, aka Wonder Woman, from DC Comics (right).

Mel B & Wonder Woman
One of 'em knows the real meaning of "Girl Power."

We're just sayin'!