Am I correct that you if I used temporary alliance to add IG-88 to my imperial squad I would have to use the 2nd mercenary slot for "Focused on the kill" if I wanted to use that version of IG-88? I think this is true but was thinking how FFGs use of upgrade cards instead of skirmish deployment cards will affect things, especially with the future upgrade cards for Han, Chewy, and Vader.
As a related question, is there any reason a mercenary squad can't include a card like Heroic Effort with the merc temporary alliance? May be useful with a bounty hunter team to add "heroic effort" and "balance of the force".