In Young Avengers (2005) #1
Kind of. In Patriot’s first appearance we have no idea who is beneath the mask. In fact, all of the Young Avengers’ identities were up for speculation. The team leader’s history was teased out in the opening arc, along with his ties to Captain America. Wearing a uniform modeled after Bucky Barnes’ Golden Age era as Steve Rogers’ sidekick, Eli paid tribute to his grandpa's World War II history.