In close combat, this is seldom an issue because IC's are considered to be their own separate unit in assault.
BRB pg 48, Independent Characts & assaults
"When the attacks are resolved, however, independent characters are always treated as a separate single-model unit (as described under Multiple Combats on page 41), even though they have joined the unit."
If they were shot, you'd use Wolf Lords Toughness as motyak said,
|