▁ 2 3 ▁covers ▁and ▁interior ▁front isp ie ces ▁to ▁Classic ▁X - Men ▁from ▁ 1 9 8 6 ▁to ▁ 1 9 8 8 . ▁His ▁interior ▁X - Men - related ▁work ▁included ▁a ▁two - issue ▁run ▁on ▁X - F actor ▁and ▁the ▁one - shot ▁Ex cal ib ur : ▁Mo jo ▁May hem , ▁both ▁in ▁ 1 9 8 9 , ▁and ▁three ▁Un c anny ▁X - Men ▁Ann uals , ▁in ▁ 1 9 8 6 , ▁ 1 9 8 8 ▁and ▁ 1 9 9 0 . ▁It ▁was ▁in ▁drawing ▁the ▁ 1 9 8 8 ▁annual ▁that ▁Adams ▁says ▁he ▁felt ▁like ▁a ▁professional ▁com ic ▁book ▁artist ▁for ▁the ▁first ▁time , ▁as ▁he ▁first ▁felt ▁confident ▁that ▁he ▁knew ▁what ▁he ▁was ▁doing . ▁ ▁D ivers ification ▁and ▁experiment ation ▁Adams ▁did ▁work ▁for ▁publish ers ▁other ▁than ▁Marvel ▁during ▁the ▁ 1 9 8 0 s , ▁as ▁when ▁he ▁drew ▁several ▁pages ▁of ▁Bat man ▁# 4 0 0 ▁in ▁ 1 9 8 6 ▁and ▁Action ▁Comics ▁Ann ual ▁# 1 ▁in ▁ 1 9 8 7 . ▁The ▁latter ▁is ▁viewed ▁as ▁a ▁turning ▁point ▁in ▁Adam ' s ▁drawing ▁style , ▁character ized ▁by ▁bulk ier ▁figures ▁of ▁Bat man ▁and ▁Super man , ▁though ▁Adams ▁explains ▁that ▁this ▁was ▁in ▁part ▁due ▁to ▁the ▁influence ▁of ▁The ▁Dark ▁Knight ▁Returns . ▁Adams ▁also ▁explained ▁that ▁the ▁overall ▁change ▁in