Marvel: Electromagnetic Sight

Lorna Dane (Polaris)
By concentrating, Polaris can perceive the world around herself solely as patterns of magnetic and electrical energy. She can perceive the natural magnetic auras surrounding living beings as well.

Max Eisenhardt/Erik Lehnsherr (Magneto)
By concentrating, Magneto can perceive the world around himself as patterns of magnetic and electrical energy. He can perceive the natural electromagnetic auras given off by living beings.

Onslaught
Onslaught can perceive the world around him as patterns of magnetic and electrical energy. He can perceive the natural magnetic auras surrounding living beings.