Some new Merc. Reunion footage has emerged featuring both Josh and Excella showing off their weapons, melee attacks and taunts. Watch the videos at the links below.
Thanks to Dark_Chris for the heads up.
*** Update ***
The official Resident Evil 5 Gold Edition website has updated with both these new videos and a confirms that Excella will be included in the "Lost in Nightmares" pack for use in Mercenaries Reunion, while Josh will come with the "Desperate Escape" pack.
Thanks to Chris_Survivor for the heads up.
*** End Update ***