L.E.G.I.O.N. Annual issue 3

"Chasing Shadows"

Using a L.E.G.I.O.N diplomatic mission to Earth as a cover, Vril Dox attempts to obtain a shard of the enchanted black diamond used by Eclipso to control those who come in contact with it. Dox is successful in obtaining a shard, but his plans are ruined when first Lobo and then Lady Quark fall under the Eclipso's influence.

This story continues in Adventures of Superman Annual #4.