Marge Point

 is a limited time side quest chain involving the character Marge Simpson and her Tennis Marge's new costume released on July 3, 2015, during the Tap Ball 2015 Event's Act 2.

Trivia

 * Lisa says that Marge is the last family member to appear (at Level 15). It is wrong because it would be Grampa (Level 19), or even Patty and Selma (Level 35).