The Pikachu and the Mercenary

Deadpool: "I can't believe I'm sitting here having a meaningful discussion with a weird yellow rodent of some kind, and yet you have such a trusting voice that sounds so familiar to me. Where have I heard it before, I wonder?'

This is becoming a wonderful day for evil!

"What do you think, Doctor Zola? If I put on blue body paint, and then used some yellow face paint, I would make a pretty decent Skeletor, wouldn't you agree?"

There, There, Mister Tusk (with apologies to Kevin Smith)

Thanos: "I'm so very tired, Mr. Tusk. Battered by a life of cruel fate... poor decisions... and the terrible consequences of both."

And they used their largest scales

"She's a witch! Wanda is a witch!"
Iron Man: "Wait a minute. How do you know she's an actual witch?"
"She weighs the same as a duck!"