... And the worst part is, I never learned to read!
Sorry, you were very clear in your message.
It'd probably be (one of?) the back-up stories from the first 11 issues, since he's mostly done actual origin stories - but maybe UX109 because he also does first appearances. (Or UX120-121, if he's doing the whole team.)
Maybe v1 #1, since it sort of serves as an origin.
~ Le Messor
"Great achievements are accomplished in a blessed, warm mental fog."
~ Joseph Conrad