1.
The FCBD comic book page someone shared on here hinted that John might have an alteration to his origin or timeline.
2. There was some article about how in this crossover Wonder Woman finds out her memories of John were altered to replace him with Hal.
3. Ron Marz is talking about John getting involved in some storyline in 2021.
4. The tattoo ring hasn't just disappeared like other storylines have.
5. John is making more frequent appearances in outside media again, from
Teen Titans Go to the Movies to the
Harley Quinn cartoon to
Superman: Red Son to being the only Green Lantern with a speaking role in the
Darkseid War movie.