The Transformers' crossover with the GI Joes just got an official release timeframe.
If you know you know: $712M Franchise Confirms Transformers
ICv2: Renegade Game Studios Unveils 'Transformers,' 'G.I. JOE
Transformers & G.I Joe Movie Gets Official Release Update
Transformers' Upcoming GI Joe Crossover Movie Gets Official
D.J. Caruso wanted G.I. Joe 3 to crossover with the Transformers
Transformers' Upcoming GI Joe Crossover Movie Gets Official
G.I. Joe vs. the Transformers (Comic Book) - TV Tropes
A Transformers/G.I Joe Crossover Movie Is Coming, Whether You Want
Did 'Transformers: Rise of the Beasts' Tease a Crossover With