Issue: #45
A Cro-Magnon Batman and Robin must match wits with an intellectually evolved Egghead.
Creators: Mike Allred, Kelly Fitzpatrick, Jeff Parker, Brent Schoonover
Characters: Batman, Dick Grayson, Egghead, Alfred Pennyworth, Catwoman, Mr. Freeze, Mr. Freeze, Riddler, Eggna