Challengers of the Unknown
DC · 1958-1978 · 87 issues
DC · 1958-1978 · 87 issues
| Issue | Key date | On record |
|---|---|---|
| #1 | April 1958 | 1st: Abdul the Fire Eater |
| #2 | June 1958 | 1st: Doctor Rocket 1st: Peter Puptent |
| #3 | August 1958 | |
| #4 | October 1958 | 1st: Darius Tiko |
| #5 | December 1958 | |
| #6 | February 1959 | |
| #7 | April 1959 | |
| #8 | June 1959 | |
| #9 | August 1959 | |
| #10 | October 1959 | |
| #11 | December 1959 | |
| #12 | February 1960 | 1st: Hamid the Hypnotist |
| #13 | April 1960 | |
| #14 | June 1960 | |
| #15 | August 1960 | |
| #16 | October 1960 | |
| #17 | December 1960 | |
| #18 | February 1961 | 1st: The Flash |
| #19 | April 1961 | |
| #20 | June 1961 | |
| #21 | August 1961 | |
| #22 | October 1961 | |
| #23 | December 1961 | |
| #24 | February 1962 | |
| #25 | April 1962 | |
| #26 | June 1962 | |
| #27 | August 1962 | |
| #28 | October 1962 | |
| #29 | December 1962 | |
| #30 | February 1963 | 1st: Multi-Man 1st: Duncan Pramble |
| #31 | April 1963 | |
| #32 | June 1963 | |
| #33 | August 1963 | |
| #34 | October 1963 | |
| #35 | December 1963 | |
| #36 | February 1964 | |
| #37 | April 1964 | |
| #38 | June 1964 | |
| #39 | August 1964 | |
| #40 | October 1964 | |
| #41 | December 1964 | |
| #42 | February 1965 | |
| #43 | April 1965 | |
| #44 | June 1965 | |
| #45 | August 1965 | |
| #46 | October 1965 | |
| #47 | December 1965 | |
| #48 | February 1966 | |
| #49 | April 1966 | |
| #50 | June 1966 | |
| #51 | August 1966 | |
| #52 | October 1966 | |
| #53 | December 1966 | |
| #54 | February 1967 | |
| #55 | April 1967 | |
| #56 | June 1967 | |
| #57 | August 1967 | |
| #58 | October 1967 | |
| #59 | December 1967 | |
| #60 | February 1968 | |
| #61 | April 1968 | |
| #62 | June 1968 | |
| #63 | August 1968 | |
| #64 | October 1968 | |
| #65 | December 1968 | |
| #66 | February 1969 | |
| #67 | April 1969 | |
| #68 | June 1969 | |
| #69 | August 1969 | |
| #70 | October 1969 | |
| #71 | December 1969 | |
| #72 | February 1970 | |
| #73 | April 1970 | |
| #74 | June 1970 | |
| #75 | August 1970 | |
| #76 | October 1970 | |
| #77 | December 1970 | |
| #78 | February 1973 | |
| #79 | March 1973 | |
| #80 | June 1973 | |
| #81 | June 1977 | |
| #82 | August 1977 | |
| #83 | October 1977 | |
| #84 | December 1977 | |
| #85 | February 1978 | 1 variant |
| #86 | April 1978 | 1 variant |
| #87 | June 1978 | 1 variant |