1988 - Fables Annual Crossover Event

Batman, Green Arrow, and the Question - Fables poster by Denys Cowan & Bill Sienkiewicz. This promo poster advertised the Annual event in 1988 for Detective Annual #1, Green Arrow Annual #1, and Question Annual #1.

Here's a house ad for the event:

And here are the covers:

Legends #6 homage by Fred Hembeck!

And here's the original by Byrne: