Squirrel Girl!!!!!
Wrong company (Marvel)! Maybe Justice League International.
"There are older and fouler things than Orcs in the deep places of the world." - Gandalf

Squirrel Girl!!!!!
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Hawkwoman and Dr Fate!
While i understand, Zatanna would make the team have a magic caster like herself. her personality wouldn't suit the team core however. I feel this League is not the 2001 TV version, GL seems to be the only resident joker on the team so thats pretty much covered i reckon. But somebody masked and male like; Dr Fate who's magic is considerbly stronger in terms of tapping into the 'spiritual/mystic plane' and who's usually an oddball would give the group a powerful yet more mysterious member than even Batman who incredibly powerful and yet kinda creepy too. Dr Fate works where Zatanna would be too lighthearted and upbeat methinks.
While a another female on the team can be filled by Hawkwoman!
Extremely tough and resourceful, and also could stand up to Wonder Woman's overbearing royalty issues and her large ego and arrogance at times. She's be great to add to the DTV Justice League films. And i'd love it if she lent her Nth Metal; 'Mace' to Superman or Captain Marvel and they with their massive strength; clobbered a uber powerful villain as such etc.
Yeah i reckon Hawkwoman and Dr Fate would be neat additions to the JL in these animated films.
I'd love for MM to be the next JL member but his huge powerlevels would make the team filled with the likes of; The Flash, Superman, Wonder Woman, Aquaman and Captain Marvel to be way too much i think??!
ST4
Name's Django, The D is silent.

Definitely Zatara and Zatana.
Zatana, the great Magician; Starring Batman, Superman, Wonder Woman, and Zatana.
Synopsis; Batman discovers Zatana, a magician who gets into trouble until Batman saves him. Then Batman saves the world, and some guy named Zatana was there.

Join us

http://www.triond.com/rw/86365

The Atom/Dr.Fate(don't think he was ever a JL member but he should be)/Elongated Man/Hawkman.
Would love to see Natasha Irons join up. In the DC Encyclopedia she has an armor suit design that Tony Stark would envy.

I could do without another origin story. Just jump to the JL and have the characters there, same way it was handled when JL became JLU and it didn't matter. We got to know the characters in the course of telling a story. And JL/JLU was better than any of these recent movies.

He was in one of their bonus short movies they used to make.
^This!
Green Arrow was in one of the DC Showcase DTV movies, yes.
ST4
Name's Django, The D is silent.

He was in one of their bonus short movies they used to make.

It feels like they're setting up Steelbut with all the success on CW, I'm very surprised they haven't used Green Arrow yet. In fact, I don't think he's been in a single movie.
That I can think of, just BATMAN: THE DARK KNIGHT RETURNS PART II, though he's not really the Green Arrow anymore.
http://www.freewebs.com/demonictoys/

It feels like they're setting up Steelbut with all the success on CW, I'm very surprised they haven't used Green Arrow yet. In fact, I don't think he's been in a single movie.

Martian Manhunter has already appeared in enough of these. I noticed John Henry Irons appears in this, so maybe STEEL could be brought in.
http://www.freewebs.com/demonictoys/