Steve who?

Cap:  "No, I'm not Steve Trevor, but my name is also Steve. Steve Rogers.  This has to be some kind of coincidence. You don't know any Marthas, do you?"

Force-sight

"Han, stop pestering the baby!  I swear, you keep it up and one of these days Ben is going to put a lightsaber right through your chest."

Invisible Touch

Batman:  "So, for your Christmas present, Diana, we all pitched in and got you this invisible jet.  Right guys? *snicker*  Right???"

Jingle Bells, Batman Smells…

Robin: "Hey now! The Batmobile may have lost it's wheels and the Joker just got away, but I DID NOT DO THIS!"

Shhh!

Hawkeye:  "Yes, Cyborg, I'm not actually Green Arrow.  Just don't say anything and no one will notice, okay?"

Playtime

Flash:  "Where does he get those wonderful toys?"