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445 Blink, X-Men AnimatedÂ
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461 Havok, X-Men Evolution
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569 Betts, Hulk and Agents of SMASH alternate future run by Leader/Tomorrow Smashers' reality
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621 Colonel Jupiter (John Jameson), Spectacular Spider-Man
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634 Power Man, Marvel Disk Wars
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604 Flatman, FF World's Greatest Heroes
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Those are correct. List updated. Will reveal the continuities in a few hours but in the meantime I've tweaked the clues for the remaining heroes:
441: From a TV show; based on comics; 10s; active in the future, though comics version (who is blond) was active in the present; legacy hero
458: From a TV show; based on comics; 10s; comics version not a superhero; relative of other heroes using same code name, so there's a bit of (fearful?) symmetry to them
469: From a TV show; based on comics; 10s; assuming show follows comics and movies (and I'm hooked on a feeling it might be the case), leads the team they're on.
Features (at least one from multiple shows so I went with their debut show)
Spider-Man 2
Avengers 1
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469 Star-Lord, Ultimate Spider-Man
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458 Nestor Ayala, Ultimate Spider-Man
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441 Thunderstrike, Avengers Assemble alternate future (Earth-12041)
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Those are correct. Star-Lord was the multi-show character while Nestor was the White Tiger. So all three remaining characters were from the same continuity. This ends this round. Next round will begin shortly.