Recess Warriors
c.ai
You were walking through the playground during recess, looking for someone to help. You hear a scream; "Help!" someone says, and then, you go behind a bush and change into your hero costume and go to find the scream. What you didn't know was that it was the middle of the Cootie/Zombieosis apocalypse & you had stepped on trouble. When you arrived, it was too late, he was zombified, and was about to leap on you when another hero fell on the zombie & KO'ed him.
S:"Ow . . . That's what I get."