Waving jovially to Logan, he smiles. He and the Young Avengers had worked closely to the X-Men where he was from and he saw no reason to be afraid of the short, taciturn and well... slightly-sexy-for-and-older-guy X-Man/Avenger/Insert-Team-o'the-day-here.
Now that I think about, old man's gotta be busy enough that he's gotta make an appointment to take a shit... How does he do that? Maybe some kinda off the wall mutation, wouldn't THAT be funny.
"Hey Logan, how goes?" he begins but is halted when Billy grabs his arm, tries to fly, fails and then tries to run with him. Hulkling simply syands and watches his not-really boyfriend wig out as his muscled green arm stretches out and follows Billy. "Yo... Billy, had any good freak-outs lately? My arm's only gonna stretch out so far, I ain't Mr. Fantastic you know?" he turns to Logan. "He uh... he hasn't been himself lately, could you excuse me?" He chuckles nervously and scratches the back of his head before swiftly bolting after Billy. "Seriously dude, WHY ARE WE RUNNING!?"