This is a preview of the Monster High Power Ghouls doll. These were on display at the Mattel toys booth during San Diego Comic-Con SDCC July 2013.
The Power Ghouls dolls are popular Monster High characters dressed up in Super Hero costumes. The Power Ghouls are:
Spectra Vondergiest as Polterghoul
Frankie Stein as Voltageous
Torelei Stripe as Catastrophe
Clawdeen Wolf as Wonder Wolf
and Goulia Yelps as a Comic-Con fan