A part of a long-running storyline that continued into his run on Avengers and into Secret Wars, that included this scene from FF #6, with Black Bolt.
Which was rather mirrored in this week's X-Men #8 with Vulcan.
Which is underlined with reports on Marvel history, with a Krakoan Update (that's what the Krakoan says, anyway).
Okay, so[...]
FF #6 Archives
Studio mate Christa Cassano snapped these photos of Haspiel at work on FF #6 at Hang Dai Studios:
It wasn't just the characters that Haspiel had to evoke Kirby-style, but plenty of sci-fi elements like machines, computers, and the ethos of space travel, for which, he turned, of course, to endless reference collections of Kirby's work[...]