CNN reports the officers - dressed as The Hulk, Captain America, and Batman are part of the group Heroes, Cops, and Kids.
PHOTOS: Memorial grows for fallen Dallas officers
Dallas officers killed in shooting include father, newlywed
Local reaction to Dallas police shooting
Suspect ID'd in shooting that left 5 Dallas officers dead
Mother injured shielding son in Dallas shooting
The most powerful images in the wake of the Dallas police shooting
See their touching tribute in the video above.