All-New Invaders #5
"No, I’m serious, why can’t Jim die this time?”
All-New Invaders #4
They don’t really want to rescue Namor, they’re just that co-dependent.
Steve: Hop on.
Tony: There’s got to be another horse running around somewhere.
Steve: Hop on! Let’s go.
Tony: Any excuse to get me to hold you.
Steve: You see right through me.
Tony: Where’s Thor?
Steve: Don’t know exactly. I’m following the lightning.
— From Avengers Prime #3 by Brian Michael Bendis, art by Alan Davis
Tony really does spend this entire min-series flirting with Steve. And it’s about right here that Steve starts flirting back.