Since we have some new info, is another album likely?
I think yes, if they continue after 2026, which I think they will, although the new tour feels like a finale. My only concern is Nicko and the fact that on the new tour poster for next year both 2 years ahead are written (for the first time I think). So we can't be sure, but they usual follow History/Hits tour with a new album tour - for 2 years. But they have plans until 2026.
Maiden's tour next year will start in late May - that means if Bruce tours solo in the fall (should be right, he'll need some break and was rumored), they'll have early next year (tour ends in December, so Feb-April like for SJ) to record. Or early 2026, if Steve and Adrian aren't busy with their own solo projects, but Maiden comes first, again IF they want to record a new album. I think they still have a desire for new music.
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Btw, on the back of the new Eddie's leather jacket in the video teaser we can see the black & white face of Eddie (on the poster too). Unless it's a nod to the early days (the mask) or POM Eddie, it reminds me a bit of The Writing On The Wall campaign. And the poster is on the wall in the tour poster, like it was in the 2020 poster.