Jimmy stumbles upon Professor Potter's dangeraously unattended dimensional transporter - literally stumbles, as in trips and activates it - and finds himself in a...
Superman and Batman try to outsmart their Bizarro duplicates, while Tommy Tomorrow and his "buddy" Brent ignore every rational protocol while exploring a planetoid!
At last! The DC Universe debut (almost) of the ORIGINAL (but not really) Plastic Man! Also the DC debut of Professor X (not that...