...Mathilda adopted the superheroic persona of Auntie Matter, since she’d been looking for a hobby since retirement anyway, and “that seems to be the thing everyone’s doing these days”. A sweet-natured, somewhat oblivious soul, Auntie Matter doesn’t really see anyone as “evil”, not even the villains she comes into conflict with, and certainly not her nephew. In fact, between her poor eyesight, her trusting nature, and the fact that she’s basically invulnerable, she still hasn’t quite twigged to the fact that he’s attempted to kill her multiple times. Although Jackson’s discovered she has an incapacitating allergy to Neptunium (not Uranium or Plutonium, for some reason) that causes her to cough uncontrollably, she tends to blame it on the dry air. This hasn’t stopped her from foiling his plans, and those of other supervillains, multiple times, usually inadvertently, rather like a superpowered Mr. Magoo. And while she may drive Jackson into levels of fury and embarrassment far beyond anything the Avengers or the X-Men could do, the vast majority of supervillains tend to find themselves rather disarmed by her. “Doom didn’t get into this business to pick fights with a sweet old lady,” the Latverian dictator was overheard remarking. Reports that Annihilus sent her a new housecoat for Christmas remain unconfirmed....
