Updated: Caesar and ACDC confirmed for Jojo's Bizarre Adventure: All Star Battle
I almost thoguht they were gonna release this without Ceaser......almost had a heart attack.

Capcom holding Street Fighter character poll to determine everyone's favorite characters, will help future games, marketing and licensing
Guys dont be stupid and vote for characters who are GUARANTEED a spot in Street Fighter games, (Ryu, Ken, Chun-Li) Vote for some characters we haven't seen in a while and need to be developed. (Sean)

Injustice: Gods Among Us may have alternate costumes featuring past incarnations of heroes, NetherRealm aims to establish an ongoing universe
GREAT idea. Save's character space. Lets remember, NightWing was indeed at one point Robin, in fact it's a key point in his character. It would be a waste of space to have 2 different Robins. I know they are all different personality wise, but fighting wise, they all were pretty much the same besides Damian's ruthlessness.