I doubt it. Because Lockheed Martin/Boeing wold have to approve the use of the f-22 from the start. And even then i think Lockheed Martin/Boeing has more pull than bandai does.
Give it time. Once all the Naruto, DBZ shows have finished their run. Something new will be waiting in the shadows.
But right now the trend is dark almost goth like for anime series.
back on topic.
It may have been an rating issue. The 'R' rating doesn't sell too well these days.
IMO it would have been like watchmen. that is if everything was done correctly and followed the books/movie it would be over the top. And people who haven't read or watched it would have hated it.