From the New Geneva Study Bible (NKJ) on verses 20:5, 6, "If this resurrection means bodily resurrection, it coincides with the Second Coming (1 Cor 15:51-57; 1 Thess 4:13-18) and the premillennialists are correct. On the other hand, the language concerning the 2nd death in vv6, 14 and 21:8 suggests a contrast between the first death and the second. The first death is bodily death, but it is only preliminary, not ultimate. Likewise, the first and second resurrections may be preliminary and ultimate, respectively. The first is spiritual, the second is of the body. The first resurrection is then to be understood as coinciding either with spiritual new birth (John 5:24,25) or with the going to be with Christ at the time of bodily death (6:9,10; 2 Cor 5:8; Phil 1:23). In view of the concern in Revelation for vindicating matrys, the latter alternative seems preferable."

John Chaney

"having been firmly rooted and now being built up in Him and established in your faith . . ." Colossians 2:7