Amazon has some LEGO Batman sets at or near all-time lows.
Two Face Double Demolition – $35.07 – 42% off
https://www.amazon.com/gp/product/B06XRKLR8L/
Killer Croc Tail Gator – $42.49 – 39% off
https://www.amazon.com/gp/product/B01KOPHW1A/
Clay Face Splat Attack – $24.99 – 31% off
https://www.amazon.com/gp/product/B01KOQ9AIM/