"I'm in position...."
A shadow approaches in the distance and you flip the safety off.
"Engaging target!"
You fire, the plane violently shakes, red lights flash, and...the plane metamorphisizes into a big fuzzy gorrilla who resembles unshaven Roman woman legs.
What?! Who wrote this crappy anticlimatic excuse for a military story? Oh wait, I did.
Contra-expectations can be the funniest things sometimes. You open up an ancient treasure chest and find a pair of used underpants from Savers, you bite into a 3 day marinated steak and discover it was actually beef. Come now, examine the following picture:

The sly smile suggests cruel, heartless assasination. The terrified woman who rubs her upper-lip indicates a quiver down her spine. But what? This is a picture of a classroom?
Surprise? I sure was. All this to make the point that sometimes contra-expectations can be extremely funny, and sometimes, fitting.
Theology of Evangelism and "engaging unbelief?" What? A discussion about Spiderman's costume can be a segway into a deep conversation about life and the gospel? Whoa, that's less expected than a professor defending his students with a pocket knife from invading enraged sea-creatures!