Christian Bale
Christian Bale

How serious can a movie about time-traveling robots be? You want it to be cool and fun.

Back to the Future Part II
Back to the Future Part II

Doc: The time-traveling is just too dangerous. Better that I devote myself to study the other great mystery of the universe: women!

Deadpool 2
Deadpool 2

Wolverine: [Upon seeing the newly transformed Deadpool/Weapon XI] Wade, is that you?
[Wade does not respond]
Wolverine: I guess Stryker finally figured out how to shut you up
[unsheates his claws]
Wolverine: .
[Suddenly Deadpool/Weapon XI is shot in the head by someone who is then revealed to be the current, time-traveling Deadpool]

Deadpool: Hey! It's me! Don't scratch! Just tidying up the timeline.
[Deadpool shoots the old Deadpool several more times before walking away]
Deadpool: [to Wolverine] Love you.

Bill & Ted's Excellent Adventure
Bill & Ted's Excellent Adventure

[just before time-traveling for the first time]
Rufus: [putting on his sunglasses] Gentlemen... we're history.