Nah, that would be a correct size AT-AT.
I'm hoping they choose AOTC clones over ROTS for the pack-in. Hopefully will the cannon will be big like all of the ships that aren't supposed to have big-ass cannons.
x 2 Evolutions Clone Pilot (Yellow Re-pack)
x 2 Clone Trooper (SA re-pack)
x 1 Clone Captain (SA re-pack)