A house ad in Thunderbunny (1985 series) #4 states that Warp Graphics Annual #1 is "on sale now". Thunderbunny #4 has a registered publication date of January 8th 1986.
Notes:
Based on the copyright dates of this issue (December 15th 1985) and of Thunderbunny (1985 series) #4 (January 8th 1986), this tale was published between the stories in Thunderbunny (1985 series) #3 and #4.