Will the Mare do well be in fighting is magic?
Applejack can't be Batmare because Zecora is. This would leave an avenue for Applebloom to be Robin.
Tealove is best pony.
There was a superheroin named Shamrock who had luck-based powers... sorta. there was also Domino from the X-Men, though hers was technically subconcious telekenisis... but considering her power was essentially if she needed something to happen it would, it fits for pinkie.
Have you ever been so awesome you've drank glass and made milk explode?
"command macro that cast several small spells that operate with instructions from a thaumic shell program."
TV Tropes on girly cartoons
Would AJ be someone like Green Arrow or Hawkeye?
"Schneizel! So you ARE the
puppet master behind all this!" - Lelouch Lamperouge
Tealove is best pony
Discord is best pony now.
"command macro that cast several small spells that operate with instructions from a thaumic shell program."
TV Tropes on girly cartoons