Not so, The FAQ saith:
Q. What happens when Call to Glory is dispelled/ends after it has
been cast? (p108)
A. The model disappears. This does not count as killing the
Exalted Hero and does not award the extra 100 victory points.
Not so, The FAQ saith:It is however, a remains-in-play spell, meaning he can turn back into a champion later. :/