Borderlands 3 players were surprised to find a legendary weapon that is styled off a Destiny 2 exotic.  

The Good Juju in Borderlands 3 looks a bit and acts a bit like Bad Juju in Destiny 2. 

Bad Juju Exotic Bounty Guide

This is a fantastic tip of the hat to a weapon in another game.   For instance, The Good Juju has the following flavour text, 

kinda, sorta wants to end all existence.

While the Bad Juju has, 

If you believe your weapon wants to end all existence, then so it will.

This is the good stuff, one game or company playing nice with another.