MY ABSOLUTE FAVOURITE MARVEL CHARACTER back in the mid-1960s was Captain America. I've already written several posts about Cap , so I probably don't need to go into that any further here ... but when he took over as leader of the team at the end of Avengers 16 (May 1965), you could say it was one of my best moments in comics. Stan set quite a challenge for himself. How to take Marvel's best-selling team book, and replace the A-list heroes Thor, Iron Man and Giant-Man with three B-list villains . It worked out much better than anyone expected ... It all kicks off while Cap is polishing off Baron Zemo in South America, his fellow Avengers are reflecting on what they'll do now that Zemo's minions are in custody. The Wasp suggests that now's as good a time as any to take a vacation ... right at that very moment, Iron Man's old foe, Hawkeye, invades the Avengers Mansion looking to apply for membership to the super-team. The timing is opportune (and not a little...