Shao Kahn reference in Injustice 2

[SonicNicholas1995]

In an intro with Raiden and Darkseid, the latter calls the Elder Gods, “Toothless Serpents”, similar to what Shao Kahn called them in Mortal Kombat 9.
 
Raiden vs Darkseid Intro: https://youtu.be/FXnvkRHzoYk?t=31s
 
Shao Kahn reference: https://youtu.be/-jwpgCrCSEA?t=1m40s