|**The Changeling Chronology**|||||

--------
|Marvel Age Introductions by On-Sale Date|||||
|1967|JUN 8|XMN035|The X-Men|[XMROS• • Beast • Cyclops • Iceman • Marvel Girl] [Banshee][Changeling] xo[Amazing Spider-Man][Mekano]|
|1967|JUL 11|XMN036|The X-Men|[XMROS•Angel • Beast • Cyclops • Iceman • Marvel Girl] [Mekano][Changeling]|
|1967|AUG 8|XMN037|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Iceman • Marvel Girl] [Banshee][Mutant Master][Changeling]|
|1967|SEP 7|XMN038A|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Iceman • Marvel Girl] [Changeling]|
|1967|OCT 10|XMN039A|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Iceman • Marvel Girl] [Banshee][Living Diamond] [New Costumes][Changeling]|
|1967|NOV 9|XMN040A|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Iceman • Marvel Girl] [Changeling]|
|1967|DEC 12|XMN041A|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Iceman • Marvel Girl] [Grotesk][Changeling]|
|1968|JAN 9|XMN042A|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Iceman • Marvel Girl] [Changeling]|
|1969|DEC 16|XMN065|The X-Men|[XMROS•Professor X • Angel • Beast • Cyclops • Havok • Iceman • Marvel Girl • Polaris] xo[Crystal][Changeling]|