Captain America Sentinel of Liberty #8 Issue: Captain America Sentinel of liberty #8 Year: 1999 Significance: First Cameo Appearance of Falcon as Captain America. It was a suit from a costume shop and went under the guise of Captain America. Buy on Ebay! View Recent Ebay! sold prices Previous Next Related Flash Rebirth #8 2016 Black Keys, Modern Age DC: The New Frontier #3 Black Keys, Copper Age Free Comic Book Day 2022: Avengers / X-Men: Judgment Day #1 Black Keys, Modern Age