I would like DC to make a revamped version of the Justice League, but this time as a prequel to Young Justice using the adult justice league characters. (Batman, superman, wonder woman etc).
Marvel wise, an animated young avengers show with Spiderman and some others would be cool.
I think the “Quenta Silmarillion” from the Silmarillion would work well as an animated series.
I want to see Fëanor get stomped on by Gothmog under the starlight