Sif drew out her sword expanding it to make a double edged blade, "just give us back Loki and you won't get hurt." She growled.

Lena laughed, "and here I thought you didn't care for Loki. After all he did betray Asgard, tried to kill you three and your two other friends on Midgard. So..why still come here?" 

"Because Thor cares about Loki," Sif responded and went to attack her only to be knocked back.