X-Men # 9, Page 20, Part 2

Here are close-ups of the panels where we can see Jack’s directions for Stan Lee. There were also notes next to the other panels on the page but they were cut off  in production.

Jack’s directions for Stan say, “Bomb really heaving.” Lee uses that in the caption box.

Jack’s directions for Stan: “Click — fuse deactivated.”

Jack’s note: “We did it!”

These notes are rather sparse, focusing on the action, but there are hundreds of examples of Kirby notes from the mid-1960s through 1970 where Jack gives Lee far more detailed directions, many of which ended up in the captions and word balloons of the characters.