Spoiler alert: They did not become besties.
In fact, Trump pretty much became a cautionary tale in New Avengers #47 (from 2004). Don't do stuff that Luke Cage thinks is rude. Luke is definitely right and he will teach you some manners.
Yield to firefighters everyone.
LUKE CAGE WILL MAKE YOU YIELD TO FIREFIGHTERS.
I would recognize the Trump face anywhere.
You heard the man.
So... who else really needs Luke Cage to be real right now?