Warrior Martial Arts Academy's grand opening will be held April 28 at 765 Cross Timbers Road, Flower Mound. The academy will offer mixed martial arts classes for children, bully defense, kickboxing and Brazilian Jiu Jitsu. The grand opening will be held from 10 a.m.-1 p.m. and feature Spider-Man. 972-439-6336. https://warriormartialartsacademy.com