X-Factor v2 #4 has more than one flashback. One takes place between issues 3-4, another involves Kearse and another involves Gray.
GRAY, CATHERINE
XF2 3-FB
*XF2 4 (15:4-15:5)-FB
XF2 1-FB-BTS
{XF2 1}
XF2 2
XF2 3
*XF2 4 (2:4-2:7)-FB-BTS
XF2 4
KEARSE, AARON
XF2 2-FB
*XF2 4 (14:4-14:5)-FB
{XF2 1}
XF2 2
XF2 3
*XF2 4 (2:4-2:7)-FB
XF2 4