Death of Martian Manhunter and New Lex Luthor?

Did that just slide in under the Captain’s umbrella this week in Justice League 28?

It also appears Justice Society will be back in Justice League 31 whether Doomsday Clock finishes this year or next.

What allies will our heroes find in these other timelines? In the future, it’s the Last Boy on Earth, Kamandi! But in the past, there are the familiar faces of the Justice Society of America!