Captain America [Steve Rogers]; Deadpool [Wade Wilson]; Agent Gorman (first appearance); Necromancer (first appearance); Agent Preston (first appearance); Harry S. Truman; giant mutated lizard creature; Thor; Franklin D. Roosevelt; S.H.I.E.L.D.; George Washington; Abraham Lincoln; Jimmy Carter; dead Presidents of the United States; Gerald Ford; Andrew Jackson; Ulysses S. Grant; John Fitzgerald Kennedy; Richard Nixon; Ronald Reagan; William Howard Taft