|**Polaris Chronology**|||||

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|Marvel Age Introductions by On-Sale Date|||||
|1968|AUG 13|XMN049A|The X-Men|[XMROS•Angel • Beast • Cyclops • Iceman • Marvel Girl] [Polaris] [Mesmero]|
|1968|SEP 10|XMN050A|The X-Men|[XMROS•Angel • Beast • Cyclops • Iceman • Marvel Girl] [Polaris] []|
|1968|OCT 10|XMN051A|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Iceman • Marvel Girl] [Polaris][Erik the Red]|
|1968|NOV 12|XMN052A|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Iceman • Marvel Girl] [Polaris][]|
|1969|APR 10|XMN057A|The X-Men|[XMROS•Angel • Beast • Cyclops • Iceman • Marvel Girl] [Polaris][Havok] [Larry Trask]|
|1969|MAY 13|SIL007B|Silver Surfer|[Tales of the Watcher]|
|1969|MAY 13|XMN058|The X-Men|[XMROS•Angel • Beast • Cyclops • Iceman • Marvel Girl] [Polaris][Havok][Banshee][]|
|1969|JUN 17|XMN059|The X-Men|[XMROS•Angel • Beast • Cyclops • Iceman • Marvel Girl] [Polaris][Havok][Banshee][Quicksilver • Scarlet Witch ][]|
|1969|JUL 15|XMN060|The X-Men|[XMROS•Angel • Beast • Cyclops • Iceman • Marvel Girl • Polaris] [Havok][Banshee][Quicksilver • Scarlet Witch ][Sauron]|
|1969|AUG 12|XMN061|The X-Men|[XMROS•Angel • Beast • Cyclops • Iceman • Marvel Girl • Polaris] [Havok][]|
|1969|SEP 16|XMN062|The X-Men|[XMROS•Angel • Beast • Cyclops • Iceman • Marvel Girl] [Polaris][Havok][Brainchild] [Lorelei] [Ka-Zar • Zabu]|
|1969|DEC 16|XMN065|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Havok • Iceman • Marvel Girl • Polaris] xo[Crystal][]|
|1970|JAN 13|XMN066|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Havok • Iceman • Marvel Girl • Polaris] [Incredible Hulk]|