Find anything Batman 89 or Batman Returns related finds at thift stores, garage sales, etc.
I found a Rolling Stones issues from 89! $1.00
(https://www.batman-online.com/forum/proxy.php?request=http%3A%2F%2Fimg.photobucket.com%2Falbums%2Fv410%2Fduo_maxwell07740%2F100_6315.jpg&hash=5647fa263114a552cb7c5ccd3ac74ddfe3fd8535)
(https://www.batman-online.com/forum/proxy.php?request=http%3A%2F%2Fimg.photobucket.com%2Falbums%2Fv410%2Fduo_maxwell07740%2F100_6316.jpg&hash=1a025ab39a3b916d97f8e9db327080e6b8b1025c)
The coolest thing I ever got Batman related was the Batman score LP.
I bought the Cinefex issue that dealt with Batman Returns at Goodwill.
That was excellent stuff!