You are looking at a Mint Condition Retailer Promotional Poster for Comics Featuring Warner Brothers Characters by DC from 1997. 

It measures approximately 20" x 28" unfolded and was stored flat in a smoke-free and climate controlled room after I got it and has never been displayed.

It will ship in a page protector, sandwiched between 2 pieces of cardboard via First Class Mail and marked "Fragile, Do Not Bend/Fold." 

I combine up to 3 promo posters / sell sheets at no additional shipping and 1.00 for each additional item afterwards.

For more cool pop culture collectibles, please check out my eBay Store.

Cheers.