Though I'm not sure what to say about this......my guess is; that's Kal-L with Dick Grayson as Batman and maybe Donna Troy as Wonder Woman. Also, that might not be the Justice League since Earth 2 is supposed to be focused on the JSA.
About The Author:
the CAW is "NOT" Kaa or the sound a crow makes, it stands for "Create A Wrestler" C.A.W., a term used for creations on wrestling games, which I use and create tons of CBM type characters :)