It's just Hydro Man hiding.
He's afraid of MAC.
I give issue #3 the title of "Fear of a MAC fist!"
Fear of a MAC Planet, etc, etc.
OMGWTF this person read my mind! Love this person!!! LOVE!!!!
MAC in a nutshell!!!
The X just means shes underage, I think. Don't know what is it about this character, but she's half the reason I'm going to pick up Young Avengers.
The dreams and ideas of free men are as an army of shadows, and as impossible to strike down...
"Yes, you're better than you ever were, but I'm still me."