Avengers Annual #10 (1981) Rogue and Madelyne Pryor (Goblin Queen)
Avengers Annual #10 features the 1st appearances of Rogue and Madelyne Pryor. It contains a host of other crossovers, too: Spider-Woman, X-Men, Carol Danvers, and the Brotherhood of Evil Mutants. Story by Chris Claremont and art by Michael Golden. Awesome book! It is graded 9.6 NM+ with white pages by CGC.