December sales are in!
Batman TMNT 2 #1: 50,213
Batman TMNT 2 #2: 41,791
TMNT #77: 11,270
TMNT Universe #17: 7,869
http://www.comichron.com/monthlycomi...7/2017-12.html
Now we know why there's a second Batman/TMNT crossover, sales are through the roof.
On the opposite end of the spectrum, TMNT Universe sales are sinking faster than the Titanic in 1912.